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Finding the Fourth Proportional to 635,005.80, 876,153.20 and 359,370

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Solution

The fourth proportional to 635,005.80, 876,153.20 and 359,370 is: 495,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,005.80 : 876,153.20 = 359,370 : x
  2. Step 2: Convert to fraction form
    635,005.80/876,153.20 = 359,370/x
  3. Step 3: Cross multiply
    635,005.80x = 876,153.20 × 359,370
  4. Step 4: Simplify right side
    635,005.80x = 314,863,173,687.15
  5. Step 5: Solve for x
    x = 314,863,173,687.15/635,005.80
  6. Step 6: Final answer
    x = 495,842.99

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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.