Home / 509,013.68-763,259.48-269,257.04

Finding the Fourth Proportional to 509,013.68, 763,259.48 and 269,257.04

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Solution

The fourth proportional to 509,013.68, 763,259.48 and 269,257.04 is: 403,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,013.68 : 763,259.48 = 269,257.04 : x
  2. Step 2: Convert to fraction form
    509,013.68/763,259.48 = 269,257.04/x
  3. Step 3: Cross multiply
    509,013.68x = 763,259.48 × 269,257.04
  4. Step 4: Simplify right side
    509,013.68x = 205,512,988,336.74
  5. Step 5: Solve for x
    x = 205,512,988,336.74/509,013.68
  6. Step 6: Final answer
    x = 403,747.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.