Home / 815,024.30-1,222,497.00-309,545.83

Finding the Fourth Proportional to 815,024.30, 1,222,497.00 and 309,545.83

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Solution

The fourth proportional to 815,024.30, 1,222,497.00 and 309,545.83 is: 464,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,024.30 : 1,222,497.00 = 309,545.83 : x
  2. Step 2: Convert to fraction form
    815,024.30/1,222,497.00 = 309,545.83/x
  3. Step 3: Cross multiply
    815,024.30x = 1,222,497.00 × 309,545.83
  4. Step 4: Simplify right side
    815,024.30x = 378,418,853,552.30
  5. Step 5: Solve for x
    x = 378,418,853,552.30/815,024.30
  6. Step 6: Final answer
    x = 464,303.77

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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.