Home / 457,917.59-631,916.85-253,935.59

Finding the Fourth Proportional to 457,917.59, 631,916.85 and 253,935.59

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Solution

The fourth proportional to 457,917.59, 631,916.85 and 253,935.59 is: 350,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,917.59 : 631,916.85 = 253,935.59 : x
  2. Step 2: Convert to fraction form
    457,917.59/631,916.85 = 253,935.59/x
  3. Step 3: Cross multiply
    457,917.59x = 631,916.85 × 253,935.59
  4. Step 4: Simplify right side
    457,917.59x = 160,466,174,976.11
  5. Step 5: Solve for x
    x = 160,466,174,976.11/457,917.59
  6. Step 6: Final answer
    x = 350,425.88

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1.5x scale

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.