Home / 535,412.13-738,766.49-306,042.15

Finding the Fourth Proportional to 535,412.13, 738,766.49 and 306,042.15

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Solution

The fourth proportional to 535,412.13, 738,766.49 and 306,042.15 is: 422,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,412.13 : 738,766.49 = 306,042.15 : x
  2. Step 2: Convert to fraction form
    535,412.13/738,766.49 = 306,042.15/x
  3. Step 3: Cross multiply
    535,412.13x = 738,766.49 × 306,042.15
  4. Step 4: Simplify right side
    535,412.13x = 226,093,684,947.55
  5. Step 5: Solve for x
    x = 226,093,684,947.55/535,412.13
  6. Step 6: Final answer
    x = 422,279.72

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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.