Home / 730,063.20-1,094,576.40-280,610.40

Finding the Fourth Proportional to 730,063.20, 1,094,576.40 and 280,610.40

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Solution

The fourth proportional to 730,063.20, 1,094,576.40 and 280,610.40 is: 420,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,063.20 : 1,094,576.40 = 280,610.40 : x
  2. Step 2: Convert to fraction form
    730,063.20/1,094,576.40 = 280,610.40/x
  3. Step 3: Cross multiply
    730,063.20x = 1,094,576.40 × 280,610.40
  4. Step 4: Simplify right side
    730,063.20x = 307,149,521,434.56
  5. Step 5: Solve for x
    x = 307,149,521,434.56/730,063.20
  6. Step 6: Final answer
    x = 420,716.35

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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.