Home / 782,006.67-1,172,171.66-512,032.46

Finding the Fourth Proportional to 782,006.67, 1,172,171.66 and 512,032.46

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Solution

The fourth proportional to 782,006.67, 1,172,171.66 and 512,032.46 is: 767,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,006.67 : 1,172,171.66 = 512,032.46 : x
  2. Step 2: Convert to fraction form
    782,006.67/1,172,171.66 = 512,032.46/x
  3. Step 3: Cross multiply
    782,006.67x = 1,172,171.66 × 512,032.46
  4. Step 4: Simplify right side
    782,006.67x = 600,189,930,191.06
  5. Step 5: Solve for x
    x = 600,189,930,191.06/782,006.67
  6. Step 6: Final answer
    x = 767,499.76

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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.