Home / 738,114.60-1,107,171.90-239,478.60

Finding the Fourth Proportional to 738,114.60, 1,107,171.90 and 239,478.60

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Solution

The fourth proportional to 738,114.60, 1,107,171.90 and 239,478.60 is: 359,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,114.60 : 1,107,171.90 = 239,478.60 : x
  2. Step 2: Convert to fraction form
    738,114.60/1,107,171.90 = 239,478.60/x
  3. Step 3: Cross multiply
    738,114.60x = 1,107,171.90 × 239,478.60
  4. Step 4: Simplify right side
    738,114.60x = 265,143,976,571.34
  5. Step 5: Solve for x
    x = 265,143,976,571.34/738,114.60
  6. Step 6: Final answer
    x = 359,217.90

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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.