Home / 714,325.80-1,070,613.90-314,542.20

Finding the Fourth Proportional to 714,325.80, 1,070,613.90 and 314,542.20

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Solution

The fourth proportional to 714,325.80, 1,070,613.90 and 314,542.20 is: 471,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,325.80 : 1,070,613.90 = 314,542.20 : x
  2. Step 2: Convert to fraction form
    714,325.80/1,070,613.90 = 314,542.20/x
  3. Step 3: Cross multiply
    714,325.80x = 1,070,613.90 × 314,542.20
  4. Step 4: Simplify right side
    714,325.80x = 336,753,251,456.58
  5. Step 5: Solve for x
    x = 336,753,251,456.58/714,325.80
  6. Step 6: Final answer
    x = 471,428.10

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Double scale
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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.