Home / 765,813.96-1,149,384.78-764,042.76

Finding the Fourth Proportional to 765,813.96, 1,149,384.78 and 764,042.76

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Solution

The fourth proportional to 765,813.96, 1,149,384.78 and 764,042.76 is: 1,146,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,813.96 : 1,149,384.78 = 764,042.76 : x
  2. Step 2: Convert to fraction form
    765,813.96/1,149,384.78 = 764,042.76/x
  3. Step 3: Cross multiply
    765,813.96x = 1,149,384.78 × 764,042.76
  4. Step 4: Simplify right side
    765,813.96x = 878,179,119,613.19
  5. Step 5: Solve for x
    x = 878,179,119,613.19/765,813.96
  6. Step 6: Final answer
    x = 1,146,726.44

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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.