Home / 747,826.24-1,119,951.60-431,323.60

Finding the Fourth Proportional to 747,826.24, 1,119,951.60 and 431,323.60

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Solution

The fourth proportional to 747,826.24, 1,119,951.60 and 431,323.60 is: 645,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,826.24 : 1,119,951.60 = 431,323.60 : x
  2. Step 2: Convert to fraction form
    747,826.24/1,119,951.60 = 431,323.60/x
  3. Step 3: Cross multiply
    747,826.24x = 1,119,951.60 × 431,323.60
  4. Step 4: Simplify right side
    747,826.24x = 483,061,555,937.76
  5. Step 5: Solve for x
    x = 483,061,555,937.76/747,826.24
  6. Step 6: Final answer
    x = 645,954.27

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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.