Home / 570,915.59-787,947.43-329,150.91

Finding the Fourth Proportional to 570,915.59, 787,947.43 and 329,150.91

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Solution

The fourth proportional to 570,915.59, 787,947.43 and 329,150.91 is: 454,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,915.59 : 787,947.43 = 329,150.91 : x
  2. Step 2: Convert to fraction form
    570,915.59/787,947.43 = 329,150.91/x
  3. Step 3: Cross multiply
    570,915.59x = 787,947.43 × 329,150.91
  4. Step 4: Simplify right side
    570,915.59x = 259,353,613,616.66
  5. Step 5: Solve for x
    x = 259,353,613,616.66/570,915.59
  6. Step 6: Final answer
    x = 454,276.64

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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.