Home / 927,751.65-1,391,188.86-359,398.95

Finding the Fourth Proportional to 927,751.65, 1,391,188.86 and 359,398.95

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Solution

The fourth proportional to 927,751.65, 1,391,188.86 and 359,398.95 is: 538,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,751.65 : 1,391,188.86 = 359,398.95 : x
  2. Step 2: Convert to fraction form
    927,751.65/1,391,188.86 = 359,398.95/x
  3. Step 3: Cross multiply
    927,751.65x = 1,391,188.86 × 359,398.95
  4. Step 4: Simplify right side
    927,751.65x = 499,991,815,535.70
  5. Step 5: Solve for x
    x = 499,991,815,535.70/927,751.65
  6. Step 6: Final answer
    x = 538,928.51

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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.