Home / 901,264.68-1,243,707.75-493,356.39

Finding the Fourth Proportional to 901,264.68, 1,243,707.75 and 493,356.39

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Solution

The fourth proportional to 901,264.68, 1,243,707.75 and 493,356.39 is: 680,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,264.68 : 1,243,707.75 = 493,356.39 : x
  2. Step 2: Convert to fraction form
    901,264.68/1,243,707.75 = 493,356.39/x
  3. Step 3: Cross multiply
    901,264.68x = 1,243,707.75 × 493,356.39
  4. Step 4: Simplify right side
    901,264.68x = 613,591,165,755.02
  5. Step 5: Solve for x
    x = 613,591,165,755.02/901,264.68
  6. Step 6: Final answer
    x = 680,811.29

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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.