Home / 454,007.49-626,521.19-284,335.17

Finding the Fourth Proportional to 454,007.49, 626,521.19 and 284,335.17

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Solution

The fourth proportional to 454,007.49, 626,521.19 and 284,335.17 is: 392,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,007.49 : 626,521.19 = 284,335.17 : x
  2. Step 2: Convert to fraction form
    454,007.49/626,521.19 = 284,335.17/x
  3. Step 3: Cross multiply
    454,007.49x = 626,521.19 × 284,335.17
  4. Step 4: Simplify right side
    454,007.49x = 178,142,009,067.25
  5. Step 5: Solve for x
    x = 178,142,009,067.25/454,007.49
  6. Step 6: Final answer
    x = 392,376.81

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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.