Home / 909,849-1,255,185.90-527,654.28

Finding the Fourth Proportional to 909,849, 1,255,185.90 and 527,654.28

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Solution

The fourth proportional to 909,849, 1,255,185.90 and 527,654.28 is: 727,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,849 : 1,255,185.90 = 527,654.28 : x
  2. Step 2: Convert to fraction form
    909,849/1,255,185.90 = 527,654.28/x
  3. Step 3: Cross multiply
    909,849x = 1,255,185.90 × 527,654.28
  4. Step 4: Simplify right side
    909,849x = 662,304,212,330.65
  5. Step 5: Solve for x
    x = 662,304,212,330.65/909,849
  6. Step 6: Final answer
    x = 727,927.61

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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.