Home / 739,200.30-1,108,800.45-486,765.83

Finding the Fourth Proportional to 739,200.30, 1,108,800.45 and 486,765.83

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Solution

The fourth proportional to 739,200.30, 1,108,800.45 and 486,765.83 is: 730,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,200.30 : 1,108,800.45 = 486,765.83 : x
  2. Step 2: Convert to fraction form
    739,200.30/1,108,800.45 = 486,765.83/x
  3. Step 3: Cross multiply
    739,200.30x = 1,108,800.45 × 486,765.83
  4. Step 4: Simplify right side
    739,200.30x = 539,726,165,804.62
  5. Step 5: Solve for x
    x = 539,726,165,804.62/739,200.30
  6. Step 6: Final answer
    x = 730,148.74

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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.