Home / 748,165.25-1,032,468.05-408,634.31

Finding the Fourth Proportional to 748,165.25, 1,032,468.05 and 408,634.31

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Solution

The fourth proportional to 748,165.25, 1,032,468.05 and 408,634.31 is: 563,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,165.25 : 1,032,468.05 = 408,634.31 : x
  2. Step 2: Convert to fraction form
    748,165.25/1,032,468.05 = 408,634.31/x
  3. Step 3: Cross multiply
    748,165.25x = 1,032,468.05 × 408,634.31
  4. Step 4: Simplify right side
    748,165.25x = 421,901,867,165.62
  5. Step 5: Solve for x
    x = 421,901,867,165.62/748,165.25
  6. Step 6: Final answer
    x = 563,915.35

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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.