Home / 946,095.60-1,419,143.40-315,073.20

Finding the Fourth Proportional to 946,095.60, 1,419,143.40 and 315,073.20

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Solution

The fourth proportional to 946,095.60, 1,419,143.40 and 315,073.20 is: 472,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,095.60 : 1,419,143.40 = 315,073.20 : x
  2. Step 2: Convert to fraction form
    946,095.60/1,419,143.40 = 315,073.20/x
  3. Step 3: Cross multiply
    946,095.60x = 1,419,143.40 × 315,073.20
  4. Step 4: Simplify right side
    946,095.60x = 447,134,052,296.88
  5. Step 5: Solve for x
    x = 447,134,052,296.88/946,095.60
  6. Step 6: Final answer
    x = 472,609.80

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Double scale
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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.