Home / 946,901.80-1,419,143.10-385,301.80

Finding the Fourth Proportional to 946,901.80, 1,419,143.10 and 385,301.80

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Solution

The fourth proportional to 946,901.80, 1,419,143.10 and 385,301.80 is: 577,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,901.80 : 1,419,143.10 = 385,301.80 : x
  2. Step 2: Convert to fraction form
    946,901.80/1,419,143.10 = 385,301.80/x
  3. Step 3: Cross multiply
    946,901.80x = 1,419,143.10 × 385,301.80
  4. Step 4: Simplify right side
    946,901.80x = 546,798,390,887.58
  5. Step 5: Solve for x
    x = 546,798,390,887.58/946,901.80
  6. Step 6: Final answer
    x = 577,460.50

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Half scale
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Double scale
Find fourth proportional to 946,902.80, 1,419,144.60 and 385,302.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.