Home / 719,116.38-1,078,394.21-269,592.20

Finding the Fourth Proportional to 719,116.38, 1,078,394.21 and 269,592.20

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Solution

The fourth proportional to 719,116.38, 1,078,394.21 and 269,592.20 is: 404,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,116.38 : 1,078,394.21 = 269,592.20 : x
  2. Step 2: Convert to fraction form
    719,116.38/1,078,394.21 = 269,592.20/x
  3. Step 3: Cross multiply
    719,116.38x = 1,078,394.21 × 269,592.20
  4. Step 4: Simplify right side
    719,116.38x = 290,726,665,856.18
  5. Step 5: Solve for x
    x = 290,726,665,856.18/719,116.38
  6. Step 6: Final answer
    x = 404,283.19

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Half scale
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Double scale
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Similar ratio
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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.