Home / 764,125.60-1,146,188.40-656,816.80

Finding the Fourth Proportional to 764,125.60, 1,146,188.40 and 656,816.80

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Solution

The fourth proportional to 764,125.60, 1,146,188.40 and 656,816.80 is: 985,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,125.60 : 1,146,188.40 = 656,816.80 : x
  2. Step 2: Convert to fraction form
    764,125.60/1,146,188.40 = 656,816.80/x
  3. Step 3: Cross multiply
    764,125.60x = 1,146,188.40 × 656,816.80
  4. Step 4: Simplify right side
    764,125.60x = 752,835,797,085.12
  5. Step 5: Solve for x
    x = 752,835,797,085.12/764,125.60
  6. Step 6: Final answer
    x = 985,225.20

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Similar ratio
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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.