Home / 495,215.47-743,247.39-491,487.85

Finding the Fourth Proportional to 495,215.47, 743,247.39 and 491,487.85

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Solution

The fourth proportional to 495,215.47, 743,247.39 and 491,487.85 is: 737,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,215.47 : 743,247.39 = 491,487.85 : x
  2. Step 2: Convert to fraction form
    495,215.47/743,247.39 = 491,487.85/x
  3. Step 3: Cross multiply
    495,215.47x = 743,247.39 × 491,487.85
  4. Step 4: Simplify right side
    495,215.47x = 365,297,064,501.35
  5. Step 5: Solve for x
    x = 365,297,064,501.35/495,215.47
  6. Step 6: Final answer
    x = 737,652.77

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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.