Home / 946,907.80-1,419,152.10-385,307.80

Finding the Fourth Proportional to 946,907.80, 1,419,152.10 and 385,307.80

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Solution

The fourth proportional to 946,907.80, 1,419,152.10 and 385,307.80 is: 577,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,907.80 : 1,419,152.10 = 385,307.80 : x
  2. Step 2: Convert to fraction form
    946,907.80/1,419,152.10 = 385,307.80/x
  3. Step 3: Cross multiply
    946,907.80x = 1,419,152.10 × 385,307.80
  4. Step 4: Simplify right side
    946,907.80x = 546,810,373,516.38
  5. Step 5: Solve for x
    x = 546,810,373,516.38/946,907.80
  6. Step 6: Final answer
    x = 577,469.50

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Double scale
Find fourth proportional to 946,908.80, 1,419,153.60 and 385,308.80
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.