Home / 452,721.91-624,743.18-256,470.10

Finding the Fourth Proportional to 452,721.91, 624,743.18 and 256,470.10

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Solution

The fourth proportional to 452,721.91, 624,743.18 and 256,470.10 is: 353,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,721.91 : 624,743.18 = 256,470.10 : x
  2. Step 2: Convert to fraction form
    452,721.91/624,743.18 = 256,470.10/x
  3. Step 3: Cross multiply
    452,721.91x = 624,743.18 × 256,470.10
  4. Step 4: Simplify right side
    452,721.91x = 160,227,943,966.47
  5. Step 5: Solve for x
    x = 160,227,943,966.47/452,721.91
  6. Step 6: Final answer
    x = 353,921.34

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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.