Home / 724,874.60-1,087,311.90-575,575.40

Finding the Fourth Proportional to 724,874.60, 1,087,311.90 and 575,575.40

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Solution

The fourth proportional to 724,874.60, 1,087,311.90 and 575,575.40 is: 863,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,874.60 : 1,087,311.90 = 575,575.40 : x
  2. Step 2: Convert to fraction form
    724,874.60/1,087,311.90 = 575,575.40/x
  3. Step 3: Cross multiply
    724,874.60x = 1,087,311.90 × 575,575.40
  4. Step 4: Simplify right side
    724,874.60x = 625,829,981,767.26
  5. Step 5: Solve for x
    x = 625,829,981,767.26/724,874.60
  6. Step 6: Final answer
    x = 863,363.10

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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.