Home / 726,141.85-1,002,088.63-403,852.09

Finding the Fourth Proportional to 726,141.85, 1,002,088.63 and 403,852.09

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Solution

The fourth proportional to 726,141.85, 1,002,088.63 and 403,852.09 is: 557,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,141.85 : 1,002,088.63 = 403,852.09 : x
  2. Step 2: Convert to fraction form
    726,141.85/1,002,088.63 = 403,852.09/x
  3. Step 3: Cross multiply
    726,141.85x = 1,002,088.63 × 403,852.09
  4. Step 4: Simplify right side
    726,141.85x = 404,695,586,581.11
  5. Step 5: Solve for x
    x = 404,695,586,581.11/726,141.85
  6. Step 6: Final answer
    x = 557,323.04

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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.