Home / 836,478.52-1,154,347.38-454,505.29

Finding the Fourth Proportional to 836,478.52, 1,154,347.38 and 454,505.29

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Solution

The fourth proportional to 836,478.52, 1,154,347.38 and 454,505.29 is: 627,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,478.52 : 1,154,347.38 = 454,505.29 : x
  2. Step 2: Convert to fraction form
    836,478.52/1,154,347.38 = 454,505.29/x
  3. Step 3: Cross multiply
    836,478.52x = 1,154,347.38 × 454,505.29
  4. Step 4: Simplify right side
    836,478.52x = 524,656,990,707.64
  5. Step 5: Solve for x
    x = 524,656,990,707.64/836,478.52
  6. Step 6: Final answer
    x = 627,221.12

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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.