Home / 729,331.83-1,006,609.68-435,000.43

Finding the Fourth Proportional to 729,331.83, 1,006,609.68 and 435,000.43

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Solution

The fourth proportional to 729,331.83, 1,006,609.68 and 435,000.43 is: 600,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,331.83 : 1,006,609.68 = 435,000.43 : x
  2. Step 2: Convert to fraction form
    729,331.83/1,006,609.68 = 435,000.43/x
  3. Step 3: Cross multiply
    729,331.83x = 1,006,609.68 × 435,000.43
  4. Step 4: Simplify right side
    729,331.83x = 437,875,641,467.16
  5. Step 5: Solve for x
    x = 437,875,641,467.16/729,331.83
  6. Step 6: Final answer
    x = 600,379.18

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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.