Home / 746,114.40-1,119,171.60-247,478.40

Finding the Fourth Proportional to 746,114.40, 1,119,171.60 and 247,478.40

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Solution

The fourth proportional to 746,114.40, 1,119,171.60 and 247,478.40 is: 371,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,114.40 : 1,119,171.60 = 247,478.40 : x
  2. Step 2: Convert to fraction form
    746,114.40/1,119,171.60 = 247,478.40/x
  3. Step 3: Cross multiply
    746,114.40x = 1,119,171.60 × 247,478.40
  4. Step 4: Simplify right side
    746,114.40x = 276,970,796,893.44
  5. Step 5: Solve for x
    x = 276,970,796,893.44/746,114.40
  6. Step 6: Final answer
    x = 371,217.60

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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.