Home / 821,167.47-1,133,046.72-458,535.53

Finding the Fourth Proportional to 821,167.47, 1,133,046.72 and 458,535.53

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Solution

The fourth proportional to 821,167.47, 1,133,046.72 and 458,535.53 is: 632,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,167.47 : 1,133,046.72 = 458,535.53 : x
  2. Step 2: Convert to fraction form
    821,167.47/1,133,046.72 = 458,535.53/x
  3. Step 3: Cross multiply
    821,167.47x = 1,133,046.72 × 458,535.53
  4. Step 4: Simplify right side
    821,167.47x = 519,542,181,102.58
  5. Step 5: Solve for x
    x = 519,542,181,102.58/821,167.47
  6. Step 6: Final answer
    x = 632,687.24

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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.