Home / 823,522.16-1,233,134.65-662,719.78

Finding the Fourth Proportional to 823,522.16, 1,233,134.65 and 662,719.78

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Solution

The fourth proportional to 823,522.16, 1,233,134.65 and 662,719.78 is: 992,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,522.16 : 1,233,134.65 = 662,719.78 : x
  2. Step 2: Convert to fraction form
    823,522.16/1,233,134.65 = 662,719.78/x
  3. Step 3: Cross multiply
    823,522.16x = 1,233,134.65 × 662,719.78
  4. Step 4: Simplify right side
    823,522.16x = 817,222,719,391.81
  5. Step 5: Solve for x
    x = 817,222,719,391.81/823,522.16
  6. Step 6: Final answer
    x = 992,350.62

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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.