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Finding the Fourth Proportional to 495,910.30, 745,420.65 and 486,579.10

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Solution

The fourth proportional to 495,910.30, 745,420.65 and 486,579.10 is: 731,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,910.30 : 745,420.65 = 486,579.10 : x
  2. Step 2: Convert to fraction form
    495,910.30/745,420.65 = 486,579.10/x
  3. Step 3: Cross multiply
    495,910.30x = 745,420.65 × 486,579.10
  4. Step 4: Simplify right side
    495,910.30x = 362,706,108,998.42
  5. Step 5: Solve for x
    x = 362,706,108,998.42/495,910.30
  6. Step 6: Final answer
    x = 731,394.59

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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.