Home / 836,479.02-1,154,348.07-454,505.79

Finding the Fourth Proportional to 836,479.02, 1,154,348.07 and 454,505.79

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Solution

The fourth proportional to 836,479.02, 1,154,348.07 and 454,505.79 is: 627,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,479.02 : 1,154,348.07 = 454,505.79 : x
  2. Step 2: Convert to fraction form
    836,479.02/1,154,348.07 = 454,505.79/x
  3. Step 3: Cross multiply
    836,479.02x = 1,154,348.07 × 454,505.79
  4. Step 4: Simplify right side
    836,479.02x = 524,657,881,490.33
  5. Step 5: Solve for x
    x = 524,657,881,490.33/836,479.02
  6. Step 6: Final answer
    x = 627,221.81

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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.