Home / 784,920.60-1,177,380.90-732,432.60

Finding the Fourth Proportional to 784,920.60, 1,177,380.90 and 732,432.60

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Solution

The fourth proportional to 784,920.60, 1,177,380.90 and 732,432.60 is: 1,098,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,920.60 : 1,177,380.90 = 732,432.60 : x
  2. Step 2: Convert to fraction form
    784,920.60/1,177,380.90 = 732,432.60/x
  3. Step 3: Cross multiply
    784,920.60x = 1,177,380.90 × 732,432.60
  4. Step 4: Simplify right side
    784,920.60x = 862,352,153,777.34
  5. Step 5: Solve for x
    x = 862,352,153,777.34/784,920.60
  6. Step 6: Final answer
    x = 1,098,648.90

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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.