Home / 570,747.68-787,564.28-329,109.64

Finding the Fourth Proportional to 570,747.68, 787,564.28 and 329,109.64

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Solution

The fourth proportional to 570,747.68, 787,564.28 and 329,109.64 is: 454,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,747.68 : 787,564.28 = 329,109.64 : x
  2. Step 2: Convert to fraction form
    570,747.68/787,564.28 = 329,109.64/x
  3. Step 3: Cross multiply
    570,747.68x = 787,564.28 × 329,109.64
  4. Step 4: Simplify right side
    570,747.68x = 259,194,996,667.66
  5. Step 5: Solve for x
    x = 259,194,996,667.66/570,747.68
  6. Step 6: Final answer
    x = 454,132.37

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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.