Home / 535,788.54-739,387.20-306,350.13

Finding the Fourth Proportional to 535,788.54, 739,387.20 and 306,350.13

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Solution

The fourth proportional to 535,788.54, 739,387.20 and 306,350.13 is: 422,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,788.54 : 739,387.20 = 306,350.13 : x
  2. Step 2: Convert to fraction form
    535,788.54/739,387.20 = 306,350.13/x
  3. Step 3: Cross multiply
    535,788.54x = 739,387.20 × 306,350.13
  4. Step 4: Simplify right side
    535,788.54x = 226,511,368,761.85
  5. Step 5: Solve for x
    x = 226,511,368,761.85/535,788.54
  6. Step 6: Final answer
    x = 422,762.62

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1.5x scale

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.