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Finding the Fourth Proportional to 458,987.80, 633,452.52 and 277,799.44

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Solution

The fourth proportional to 458,987.80, 633,452.52 and 277,799.44 is: 383,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,987.80 : 633,452.52 = 277,799.44 : x
  2. Step 2: Convert to fraction form
    458,987.80/633,452.52 = 277,799.44/x
  3. Step 3: Cross multiply
    458,987.80x = 633,452.52 × 277,799.44
  4. Step 4: Simplify right side
    458,987.80x = 175,972,755,322.59
  5. Step 5: Solve for x
    x = 175,972,755,322.59/458,987.80
  6. Step 6: Final answer
    x = 383,393.10

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1.5x scale

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.