Home / 738,414.30-1,107,621.45-239,778.30

Finding the Fourth Proportional to 738,414.30, 1,107,621.45 and 239,778.30

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Solution

The fourth proportional to 738,414.30, 1,107,621.45 and 239,778.30 is: 359,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,414.30 : 1,107,621.45 = 239,778.30 : x
  2. Step 2: Convert to fraction form
    738,414.30/1,107,621.45 = 239,778.30/x
  3. Step 3: Cross multiply
    738,414.30x = 1,107,621.45 × 239,778.30
  4. Step 4: Simplify right side
    738,414.30x = 265,583,588,324.54
  5. Step 5: Solve for x
    x = 265,583,588,324.54/738,414.30
  6. Step 6: Final answer
    x = 359,667.45

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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.