Home / 801,371.52-1,105,893.12-499,566.72

Finding the Fourth Proportional to 801,371.52, 1,105,893.12 and 499,566.72

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Solution

The fourth proportional to 801,371.52, 1,105,893.12 and 499,566.72 is: 689,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,371.52 : 1,105,893.12 = 499,566.72 : x
  2. Step 2: Convert to fraction form
    801,371.52/1,105,893.12 = 499,566.72/x
  3. Step 3: Cross multiply
    801,371.52x = 1,105,893.12 × 499,566.72
  4. Step 4: Simplify right side
    801,371.52x = 552,467,398,628.97
  5. Step 5: Solve for x
    x = 552,467,398,628.97/801,371.52
  6. Step 6: Final answer
    x = 689,402.34

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1.5x scale

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.