Home / 764,550.80-1,147,344.60-497,661.20

Finding the Fourth Proportional to 764,550.80, 1,147,344.60 and 497,661.20

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Solution

The fourth proportional to 764,550.80, 1,147,344.60 and 497,661.20 is: 746,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,550.80 : 1,147,344.60 = 497,661.20 : x
  2. Step 2: Convert to fraction form
    764,550.80/1,147,344.60 = 497,661.20/x
  3. Step 3: Cross multiply
    764,550.80x = 1,147,344.60 × 497,661.20
  4. Step 4: Simplify right side
    764,550.80x = 570,988,890,449.52
  5. Step 5: Solve for x
    x = 570,988,890,449.52/764,550.80
  6. Step 6: Final answer
    x = 746,829.24

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Double scale
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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.