Home / 765,572.56-1,147,648.97-338,880.88

Finding the Fourth Proportional to 765,572.56, 1,147,648.97 and 338,880.88

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Solution

The fourth proportional to 765,572.56, 1,147,648.97 and 338,880.88 is: 508,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,572.56 : 1,147,648.97 = 338,880.88 : x
  2. Step 2: Convert to fraction form
    765,572.56/1,147,648.97 = 338,880.88/x
  3. Step 3: Cross multiply
    765,572.56x = 1,147,648.97 × 338,880.88
  4. Step 4: Simplify right side
    765,572.56x = 388,916,295,166.46
  5. Step 5: Solve for x
    x = 388,916,295,166.46/765,572.56
  6. Step 6: Final answer
    x = 508,007.10

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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.