Home / 747,932.40-1,121,898.60-629,834.40

Finding the Fourth Proportional to 747,932.40, 1,121,898.60 and 629,834.40

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Solution

The fourth proportional to 747,932.40, 1,121,898.60 and 629,834.40 is: 944,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,932.40 : 1,121,898.60 = 629,834.40 : x
  2. Step 2: Convert to fraction form
    747,932.40/1,121,898.60 = 629,834.40/x
  3. Step 3: Cross multiply
    747,932.40x = 1,121,898.60 × 629,834.40
  4. Step 4: Simplify right side
    747,932.40x = 706,610,331,591.84
  5. Step 5: Solve for x
    x = 706,610,331,591.84/747,932.40
  6. Step 6: Final answer
    x = 944,751.60

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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.