Home / 744,251.29-1,027,035.78-421,983.19

Finding the Fourth Proportional to 744,251.29, 1,027,035.78 and 421,983.19

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Solution

The fourth proportional to 744,251.29, 1,027,035.78 and 421,983.19 is: 582,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,251.29 : 1,027,035.78 = 421,983.19 : x
  2. Step 2: Convert to fraction form
    744,251.29/1,027,035.78 = 421,983.19/x
  3. Step 3: Cross multiply
    744,251.29x = 1,027,035.78 × 421,983.19
  4. Step 4: Simplify right side
    744,251.29x = 433,391,834,688.54
  5. Step 5: Solve for x
    x = 433,391,834,688.54/744,251.29
  6. Step 6: Final answer
    x = 582,319.23

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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.