Home / 731,890.40-1,098,526.80-451,954.40

Finding the Fourth Proportional to 731,890.40, 1,098,526.80 and 451,954.40

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Solution

The fourth proportional to 731,890.40, 1,098,526.80 and 451,954.40 is: 678,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,890.40 : 1,098,526.80 = 451,954.40 : x
  2. Step 2: Convert to fraction form
    731,890.40/1,098,526.80 = 451,954.40/x
  3. Step 3: Cross multiply
    731,890.40x = 1,098,526.80 × 451,954.40
  4. Step 4: Simplify right side
    731,890.40x = 496,484,020,777.92
  5. Step 5: Solve for x
    x = 496,484,020,777.92/731,890.40
  6. Step 6: Final answer
    x = 678,358.43

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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.