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Finding the Fourth Proportional to 491,360.82, 735,564.93 and 440,031.90

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Solution

The fourth proportional to 491,360.82, 735,564.93 and 440,031.90 is: 658,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,360.82 : 735,564.93 = 440,031.90 : x
  2. Step 2: Convert to fraction form
    491,360.82/735,564.93 = 440,031.90/x
  3. Step 3: Cross multiply
    491,360.82x = 735,564.93 × 440,031.90
  4. Step 4: Simplify right side
    491,360.82x = 323,672,033,721.27
  5. Step 5: Solve for x
    x = 323,672,033,721.27/491,360.82
  6. Step 6: Final answer
    x = 658,725.77

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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.