Home / 764,857.62-1,147,122.41-315,461.93

Finding the Fourth Proportional to 764,857.62, 1,147,122.41 and 315,461.93

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Solution

The fourth proportional to 764,857.62, 1,147,122.41 and 315,461.93 is: 473,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,857.62 : 1,147,122.41 = 315,461.93 : x
  2. Step 2: Convert to fraction form
    764,857.62/1,147,122.41 = 315,461.93/x
  3. Step 3: Cross multiply
    764,857.62x = 1,147,122.41 × 315,461.93
  4. Step 4: Simplify right side
    764,857.62x = 361,873,442,091.93
  5. Step 5: Solve for x
    x = 361,873,442,091.93/764,857.62
  6. Step 6: Final answer
    x = 473,125.24

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Double scale
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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.