Home / 818,743-1,226,756.78-497,924.48

Finding the Fourth Proportional to 818,743, 1,226,756.78 and 497,924.48

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Solution

The fourth proportional to 818,743, 1,226,756.78 and 497,924.48 is: 746,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,743 : 1,226,756.78 = 497,924.48 : x
  2. Step 2: Convert to fraction form
    818,743/1,226,756.78 = 497,924.48/x
  3. Step 3: Cross multiply
    818,743x = 1,226,756.78 × 497,924.48
  4. Step 4: Simplify right side
    818,743x = 610,832,231,767.97
  5. Step 5: Solve for x
    x = 610,832,231,767.97/818,743
  6. Step 6: Final answer
    x = 746,061.01

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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.