Home / 731,808.90-1,098,404.55-451,872.90

Finding the Fourth Proportional to 731,808.90, 1,098,404.55 and 451,872.90

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Solution

The fourth proportional to 731,808.90, 1,098,404.55 and 451,872.90 is: 678,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,808.90 : 1,098,404.55 = 451,872.90 : x
  2. Step 2: Convert to fraction form
    731,808.90/1,098,404.55 = 451,872.90/x
  3. Step 3: Cross multiply
    731,808.90x = 1,098,404.55 × 451,872.90
  4. Step 4: Simplify right side
    731,808.90x = 496,339,249,381.70
  5. Step 5: Solve for x
    x = 496,339,249,381.70/731,808.90
  6. Step 6: Final answer
    x = 678,236.15

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1.5x scale

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.