Home / 853,807.25-1,178,278.40-466,644.17

Finding the Fourth Proportional to 853,807.25, 1,178,278.40 and 466,644.17

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Solution

The fourth proportional to 853,807.25, 1,178,278.40 and 466,644.17 is: 643,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,807.25 : 1,178,278.40 = 466,644.17 : x
  2. Step 2: Convert to fraction form
    853,807.25/1,178,278.40 = 466,644.17/x
  3. Step 3: Cross multiply
    853,807.25x = 1,178,278.40 × 466,644.17
  4. Step 4: Simplify right side
    853,807.25x = 549,836,741,272.15
  5. Step 5: Solve for x
    x = 549,836,741,272.15/853,807.25
  6. Step 6: Final answer
    x = 643,982.28

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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.