Home / 724,814.40-1,087,221.60-623,337.60

Finding the Fourth Proportional to 724,814.40, 1,087,221.60 and 623,337.60

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Solution

The fourth proportional to 724,814.40, 1,087,221.60 and 623,337.60 is: 935,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,814.40 : 1,087,221.60 = 623,337.60 : x
  2. Step 2: Convert to fraction form
    724,814.40/1,087,221.60 = 623,337.60/x
  3. Step 3: Cross multiply
    724,814.40x = 1,087,221.60 × 623,337.60
  4. Step 4: Simplify right side
    724,814.40x = 677,706,102,812.16
  5. Step 5: Solve for x
    x = 677,706,102,812.16/724,814.40
  6. Step 6: Final answer
    x = 935,006.40

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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.