Home / 570,945.43-787,988.55-329,180.68

Finding the Fourth Proportional to 570,945.43, 787,988.55 and 329,180.68

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Solution

The fourth proportional to 570,945.43, 787,988.55 and 329,180.68 is: 454,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,945.43 : 787,988.55 = 329,180.68 : x
  2. Step 2: Convert to fraction form
    570,945.43/787,988.55 = 329,180.68/x
  3. Step 3: Cross multiply
    570,945.43x = 787,988.55 × 329,180.68
  4. Step 4: Simplify right side
    570,945.43x = 259,390,606,721.21
  5. Step 5: Solve for x
    x = 259,390,606,721.21/570,945.43
  6. Step 6: Final answer
    x = 454,317.69

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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.