Home / 729,033.27-1,006,018.68-402,349.20

Finding the Fourth Proportional to 729,033.27, 1,006,018.68 and 402,349.20

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Solution

The fourth proportional to 729,033.27, 1,006,018.68 and 402,349.20 is: 555,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,033.27 : 1,006,018.68 = 402,349.20 : x
  2. Step 2: Convert to fraction form
    729,033.27/1,006,018.68 = 402,349.20/x
  3. Step 3: Cross multiply
    729,033.27x = 1,006,018.68 × 402,349.20
  4. Step 4: Simplify right side
    729,033.27x = 404,770,811,083.06
  5. Step 5: Solve for x
    x = 404,770,811,083.06/729,033.27
  6. Step 6: Final answer
    x = 555,215.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.