Home / 641,543.28-885,252.06-369,700.26

Finding the Fourth Proportional to 641,543.28, 885,252.06 and 369,700.26

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Solution

The fourth proportional to 641,543.28, 885,252.06 and 369,700.26 is: 510,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,543.28 : 885,252.06 = 369,700.26 : x
  2. Step 2: Convert to fraction form
    641,543.28/885,252.06 = 369,700.26/x
  3. Step 3: Cross multiply
    641,543.28x = 885,252.06 × 369,700.26
  4. Step 4: Simplify right side
    641,543.28x = 327,277,916,747.54
  5. Step 5: Solve for x
    x = 327,277,916,747.54/641,543.28
  6. Step 6: Final answer
    x = 510,141.60

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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.