Home / 786,022.38-1,179,263.21-253,531.62

Finding the Fourth Proportional to 786,022.38, 1,179,263.21 and 253,531.62

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Solution

The fourth proportional to 786,022.38, 1,179,263.21 and 253,531.62 is: 380,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,022.38 : 1,179,263.21 = 253,531.62 : x
  2. Step 2: Convert to fraction form
    786,022.38/1,179,263.21 = 253,531.62/x
  3. Step 3: Cross multiply
    786,022.38x = 1,179,263.21 × 253,531.62
  4. Step 4: Simplify right side
    786,022.38x = 298,980,510,770.04
  5. Step 5: Solve for x
    x = 298,980,510,770.04/786,022.38
  6. Step 6: Final answer
    x = 380,371.50

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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.