Home / 748,052.20-1,122,078.30-298,842.40

Finding the Fourth Proportional to 748,052.20, 1,122,078.30 and 298,842.40

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Solution

The fourth proportional to 748,052.20, 1,122,078.30 and 298,842.40 is: 448,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,052.20 : 1,122,078.30 = 298,842.40 : x
  2. Step 2: Convert to fraction form
    748,052.20/1,122,078.30 = 298,842.40/x
  3. Step 3: Cross multiply
    748,052.20x = 1,122,078.30 × 298,842.40
  4. Step 4: Simplify right side
    748,052.20x = 335,324,572,159.92
  5. Step 5: Solve for x
    x = 335,324,572,159.92/748,052.20
  6. Step 6: Final answer
    x = 448,263.60

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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.