Home / 803,180.48-1,205,138.40-347,910.88

Finding the Fourth Proportional to 803,180.48, 1,205,138.40 and 347,910.88

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Solution

The fourth proportional to 803,180.48, 1,205,138.40 and 347,910.88 is: 522,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,180.48 : 1,205,138.40 = 347,910.88 : x
  2. Step 2: Convert to fraction form
    803,180.48/1,205,138.40 = 347,910.88/x
  3. Step 3: Cross multiply
    803,180.48x = 1,205,138.40 × 347,910.88
  4. Step 4: Simplify right side
    803,180.48x = 419,280,761,265.79
  5. Step 5: Solve for x
    x = 419,280,761,265.79/803,180.48
  6. Step 6: Final answer
    x = 522,025.59

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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.