Home / 739,384.70-1,109,077.14-178,419.20

Finding the Fourth Proportional to 739,384.70, 1,109,077.14 and 178,419.20

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Solution

The fourth proportional to 739,384.70, 1,109,077.14 and 178,419.20 is: 267,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,384.70 : 1,109,077.14 = 178,419.20 : x
  2. Step 2: Convert to fraction form
    739,384.70/1,109,077.14 = 178,419.20/x
  3. Step 3: Cross multiply
    739,384.70x = 1,109,077.14 × 178,419.20
  4. Step 4: Simplify right side
    739,384.70x = 197,880,650,511.70
  5. Step 5: Solve for x
    x = 197,880,650,511.70/739,384.70
  6. Step 6: Final answer
    x = 267,628.82

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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.