Home / 748,052.70-1,120,499.55-495,454.20

Finding the Fourth Proportional to 748,052.70, 1,120,499.55 and 495,454.20

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Solution

The fourth proportional to 748,052.70, 1,120,499.55 and 495,454.20 is: 742,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,052.70 : 1,120,499.55 = 495,454.20 : x
  2. Step 2: Convert to fraction form
    748,052.70/1,120,499.55 = 495,454.20/x
  3. Step 3: Cross multiply
    748,052.70x = 1,120,499.55 × 495,454.20
  4. Step 4: Simplify right side
    748,052.70x = 555,156,208,145.61
  5. Step 5: Solve for x
    x = 555,156,208,145.61/748,052.70
  6. Step 6: Final answer
    x = 742,135.16

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Double scale
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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.