Home / 571,155.71-788,279.04-329,391.36

Finding the Fourth Proportional to 571,155.71, 788,279.04 and 329,391.36

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Solution

The fourth proportional to 571,155.71, 788,279.04 and 329,391.36 is: 454,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,155.71 : 788,279.04 = 329,391.36 : x
  2. Step 2: Convert to fraction form
    571,155.71/788,279.04 = 329,391.36/x
  3. Step 3: Cross multiply
    571,155.71x = 788,279.04 × 329,391.36
  4. Step 4: Simplify right side
    571,155.71x = 259,652,305,045.09
  5. Step 5: Solve for x
    x = 259,652,305,045.09/571,155.71
  6. Step 6: Final answer
    x = 454,608.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.