Home / 729,331.70-1,006,609.51-435,000.31

Finding the Fourth Proportional to 729,331.70, 1,006,609.51 and 435,000.31

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Solution

The fourth proportional to 729,331.70, 1,006,609.51 and 435,000.31 is: 600,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,331.70 : 1,006,609.51 = 435,000.31 : x
  2. Step 2: Convert to fraction form
    729,331.70/1,006,609.51 = 435,000.31/x
  3. Step 3: Cross multiply
    729,331.70x = 1,006,609.51 × 435,000.31
  4. Step 4: Simplify right side
    729,331.70x = 437,875,441,690.90
  5. Step 5: Solve for x
    x = 437,875,441,690.90/729,331.70
  6. Step 6: Final answer
    x = 600,379.01

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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.