Home / 805,335.28-1,111,382.30-442,766.18

Finding the Fourth Proportional to 805,335.28, 1,111,382.30 and 442,766.18

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Solution

The fourth proportional to 805,335.28, 1,111,382.30 and 442,766.18 is: 611,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,335.28 : 1,111,382.30 = 442,766.18 : x
  2. Step 2: Convert to fraction form
    805,335.28/1,111,382.30 = 442,766.18/x
  3. Step 3: Cross multiply
    805,335.28x = 1,111,382.30 × 442,766.18
  4. Step 4: Simplify right side
    805,335.28x = 492,082,499,375.99
  5. Step 5: Solve for x
    x = 492,082,499,375.99/805,335.28
  6. Step 6: Final answer
    x = 611,028.12

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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.