Home / 980,757.28-1,353,446.23-551,037.16

Finding the Fourth Proportional to 980,757.28, 1,353,446.23 and 551,037.16

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Solution

The fourth proportional to 980,757.28, 1,353,446.23 and 551,037.16 is: 760,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,757.28 : 1,353,446.23 = 551,037.16 : x
  2. Step 2: Convert to fraction form
    980,757.28/1,353,446.23 = 551,037.16/x
  3. Step 3: Cross multiply
    980,757.28x = 1,353,446.23 × 551,037.16
  4. Step 4: Simplify right side
    980,757.28x = 745,799,160,024.68
  5. Step 5: Solve for x
    x = 745,799,160,024.68/980,757.28
  6. Step 6: Final answer
    x = 760,431.94

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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.