Home / 741,482.28-1,112,309.88-268,390.44

Finding the Fourth Proportional to 741,482.28, 1,112,309.88 and 268,390.44

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Solution

The fourth proportional to 741,482.28, 1,112,309.88 and 268,390.44 is: 402,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,482.28 : 1,112,309.88 = 268,390.44 : x
  2. Step 2: Convert to fraction form
    741,482.28/1,112,309.88 = 268,390.44/x
  3. Step 3: Cross multiply
    741,482.28x = 1,112,309.88 × 268,390.44
  4. Step 4: Simplify right side
    741,482.28x = 298,533,338,109.55
  5. Step 5: Solve for x
    x = 298,533,338,109.55/741,482.28
  6. Step 6: Final answer
    x = 402,616.96

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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.