Home / 806,562.55-1,112,434.61-500,819.95

Finding the Fourth Proportional to 806,562.55, 1,112,434.61 and 500,819.95

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Solution

The fourth proportional to 806,562.55, 1,112,434.61 and 500,819.95 is: 690,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,562.55 : 1,112,434.61 = 500,819.95 : x
  2. Step 2: Convert to fraction form
    806,562.55/1,112,434.61 = 500,819.95/x
  3. Step 3: Cross multiply
    806,562.55x = 1,112,434.61 × 500,819.95
  4. Step 4: Simplify right side
    806,562.55x = 557,129,444,229.43
  5. Step 5: Solve for x
    x = 557,129,444,229.43/806,562.55
  6. Step 6: Final answer
    x = 690,745.49

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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.