Home / 726,164.70-1,002,030.50-403,822.68

Finding the Fourth Proportional to 726,164.70, 1,002,030.50 and 403,822.68

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Solution

The fourth proportional to 726,164.70, 1,002,030.50 and 403,822.68 is: 557,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,164.70 : 1,002,030.50 = 403,822.68 : x
  2. Step 2: Convert to fraction form
    726,164.70/1,002,030.50 = 403,822.68/x
  3. Step 3: Cross multiply
    726,164.70x = 1,002,030.50 × 403,822.68
  4. Step 4: Simplify right side
    726,164.70x = 404,642,641,951.74
  5. Step 5: Solve for x
    x = 404,642,641,951.74/726,164.70
  6. Step 6: Final answer
    x = 557,232.60

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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.