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Finding the Fourth Proportional to 672,301.10, 927,775.70 and 366,377.57

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Solution

The fourth proportional to 672,301.10, 927,775.70 and 366,377.57 is: 505,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,301.10 : 927,775.70 = 366,377.57 : x
  2. Step 2: Convert to fraction form
    672,301.10/927,775.70 = 366,377.57/x
  3. Step 3: Cross multiply
    672,301.10x = 927,775.70 × 366,377.57
  4. Step 4: Simplify right side
    672,301.10x = 339,916,206,958.60
  5. Step 5: Solve for x
    x = 339,916,206,958.60/672,301.10
  6. Step 6: Final answer
    x = 505,601.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.