Home / 927,226.17-1,391,039.04-287,517.03

Finding the Fourth Proportional to 927,226.17, 1,391,039.04 and 287,517.03

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Solution

The fourth proportional to 927,226.17, 1,391,039.04 and 287,517.03 is: 431,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,226.17 : 1,391,039.04 = 287,517.03 : x
  2. Step 2: Convert to fraction form
    927,226.17/1,391,039.04 = 287,517.03/x
  3. Step 3: Cross multiply
    927,226.17x = 1,391,039.04 × 287,517.03
  4. Step 4: Simplify right side
    927,226.17x = 399,947,413,394.85
  5. Step 5: Solve for x
    x = 399,947,413,394.85/927,226.17
  6. Step 6: Final answer
    x = 431,337.49

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1.5x scale

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.