Home / 726,236.16-1,002,181.86-403,937.16

Finding the Fourth Proportional to 726,236.16, 1,002,181.86 and 403,937.16

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Solution

The fourth proportional to 726,236.16, 1,002,181.86 and 403,937.16 is: 557,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,236.16 : 1,002,181.86 = 403,937.16 : x
  2. Step 2: Convert to fraction form
    726,236.16/1,002,181.86 = 403,937.16/x
  3. Step 3: Cross multiply
    726,236.16x = 1,002,181.86 × 403,937.16
  4. Step 4: Simplify right side
    726,236.16x = 404,818,494,331.92
  5. Step 5: Solve for x
    x = 404,818,494,331.92/726,236.16
  6. Step 6: Final answer
    x = 557,419.91

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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.