Home / 731,777.40-1,098,357.30-451,841.40

Finding the Fourth Proportional to 731,777.40, 1,098,357.30 and 451,841.40

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Solution

The fourth proportional to 731,777.40, 1,098,357.30 and 451,841.40 is: 678,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,777.40 : 1,098,357.30 = 451,841.40 : x
  2. Step 2: Convert to fraction form
    731,777.40/1,098,357.30 = 451,841.40/x
  3. Step 3: Cross multiply
    731,777.40x = 1,098,357.30 × 451,841.40
  4. Step 4: Simplify right side
    731,777.40x = 496,283,300,132.22
  5. Step 5: Solve for x
    x = 496,283,300,132.22/731,777.40
  6. Step 6: Final answer
    x = 678,188.89

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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.