Home / 664,537.53-996,948.45-215,303.43

Finding the Fourth Proportional to 664,537.53, 996,948.45 and 215,303.43

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Solution

The fourth proportional to 664,537.53, 996,948.45 and 215,303.43 is: 323,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,537.53 : 996,948.45 = 215,303.43 : x
  2. Step 2: Convert to fraction form
    664,537.53/996,948.45 = 215,303.43/x
  3. Step 3: Cross multiply
    664,537.53x = 996,948.45 × 215,303.43
  4. Step 4: Simplify right side
    664,537.53x = 214,646,420,818.18
  5. Step 5: Solve for x
    x = 214,646,420,818.18/664,537.53
  6. Step 6: Final answer
    x = 323,001.20

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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.