Home / 741,357.20-1,112,035.80-488,977.40

Finding the Fourth Proportional to 741,357.20, 1,112,035.80 and 488,977.40

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Solution

The fourth proportional to 741,357.20, 1,112,035.80 and 488,977.40 is: 733,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,357.20 : 1,112,035.80 = 488,977.40 : x
  2. Step 2: Convert to fraction form
    741,357.20/1,112,035.80 = 488,977.40/x
  3. Step 3: Cross multiply
    741,357.20x = 1,112,035.80 × 488,977.40
  4. Step 4: Simplify right side
    741,357.20x = 543,760,374,190.92
  5. Step 5: Solve for x
    x = 543,760,374,190.92/741,357.20
  6. Step 6: Final answer
    x = 733,466.10

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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.