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Finding the Fourth Proportional to 617,787.71, 852,649.06 and 424,036.25

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Solution

The fourth proportional to 617,787.71, 852,649.06 and 424,036.25 is: 585,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,787.71 : 852,649.06 = 424,036.25 : x
  2. Step 2: Convert to fraction form
    617,787.71/852,649.06 = 424,036.25/x
  3. Step 3: Cross multiply
    617,787.71x = 852,649.06 × 424,036.25
  4. Step 4: Simplify right side
    617,787.71x = 361,554,113,433.74
  5. Step 5: Solve for x
    x = 361,554,113,433.74/617,787.71
  6. Step 6: Final answer
    x = 585,240.05

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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.