Home / 753,753.60-1,130,630.40-248,313.60

Finding the Fourth Proportional to 753,753.60, 1,130,630.40 and 248,313.60

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Solution

The fourth proportional to 753,753.60, 1,130,630.40 and 248,313.60 is: 372,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,753.60 : 1,130,630.40 = 248,313.60 : x
  2. Step 2: Convert to fraction form
    753,753.60/1,130,630.40 = 248,313.60/x
  3. Step 3: Cross multiply
    753,753.60x = 1,130,630.40 × 248,313.60
  4. Step 4: Simplify right side
    753,753.60x = 280,750,904,893.44
  5. Step 5: Solve for x
    x = 280,750,904,893.44/753,753.60
  6. Step 6: Final answer
    x = 372,470.40

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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.