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Finding the Fourth Proportional to 495,107.30, 741,381.90 and 341,706.63

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Solution

The fourth proportional to 495,107.30, 741,381.90 and 341,706.63 is: 511,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,107.30 : 741,381.90 = 341,706.63 : x
  2. Step 2: Convert to fraction form
    495,107.30/741,381.90 = 341,706.63/x
  3. Step 3: Cross multiply
    495,107.30x = 741,381.90 × 341,706.63
  4. Step 4: Simplify right side
    495,107.30x = 253,335,111,446.26
  5. Step 5: Solve for x
    x = 253,335,111,446.26/495,107.30
  6. Step 6: Final answer
    x = 511,677.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.