Home / 714,753.27-1,071,966.15-426,646.26

Finding the Fourth Proportional to 714,753.27, 1,071,966.15 and 426,646.26

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Solution

The fourth proportional to 714,753.27, 1,071,966.15 and 426,646.26 is: 639,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,753.27 : 1,071,966.15 = 426,646.26 : x
  2. Step 2: Convert to fraction form
    714,753.27/1,071,966.15 = 426,646.26/x
  3. Step 3: Cross multiply
    714,753.27x = 1,071,966.15 × 426,646.26
  4. Step 4: Simplify right side
    714,753.27x = 457,350,348,744.10
  5. Step 5: Solve for x
    x = 457,350,348,744.10/714,753.27
  6. Step 6: Final answer
    x = 639,871.64

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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.