Home / 730,013.20-1,094,501.40-280,560.40

Finding the Fourth Proportional to 730,013.20, 1,094,501.40 and 280,560.40

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Solution

The fourth proportional to 730,013.20, 1,094,501.40 and 280,560.40 is: 420,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,013.20 : 1,094,501.40 = 280,560.40 : x
  2. Step 2: Convert to fraction form
    730,013.20/1,094,501.40 = 280,560.40/x
  3. Step 3: Cross multiply
    730,013.20x = 1,094,501.40 × 280,560.40
  4. Step 4: Simplify right side
    730,013.20x = 307,073,750,584.56
  5. Step 5: Solve for x
    x = 307,073,750,584.56/730,013.20
  6. Step 6: Final answer
    x = 420,641.37

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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.