Home / 624,467.04-861,785.38-382,702.89

Finding the Fourth Proportional to 624,467.04, 861,785.38 and 382,702.89

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Solution

The fourth proportional to 624,467.04, 861,785.38 and 382,702.89 is: 528,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,467.04 : 861,785.38 = 382,702.89 : x
  2. Step 2: Convert to fraction form
    624,467.04/861,785.38 = 382,702.89/x
  3. Step 3: Cross multiply
    624,467.04x = 861,785.38 × 382,702.89
  4. Step 4: Simplify right side
    624,467.04x = 329,807,759,195.82
  5. Step 5: Solve for x
    x = 329,807,759,195.82/624,467.04
  6. Step 6: Final answer
    x = 528,142.78

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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.