Home / 495,998.30-684,531.14-281,115.29

Finding the Fourth Proportional to 495,998.30, 684,531.14 and 281,115.29

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Solution

The fourth proportional to 495,998.30, 684,531.14 and 281,115.29 is: 387,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,998.30 : 684,531.14 = 281,115.29 : x
  2. Step 2: Convert to fraction form
    495,998.30/684,531.14 = 281,115.29/x
  3. Step 3: Cross multiply
    495,998.30x = 684,531.14 × 281,115.29
  4. Step 4: Simplify right side
    495,998.30x = 192,432,170,240.88
  5. Step 5: Solve for x
    x = 192,432,170,240.88/495,998.30
  6. Step 6: Final answer
    x = 387,969.41

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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.