Home / 758,835.40-1,140,221.40-672,230.20

Finding the Fourth Proportional to 758,835.40, 1,140,221.40 and 672,230.20

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Solution

The fourth proportional to 758,835.40, 1,140,221.40 and 672,230.20 is: 1,010,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,835.40 : 1,140,221.40 = 672,230.20 : x
  2. Step 2: Convert to fraction form
    758,835.40/1,140,221.40 = 672,230.20/x
  3. Step 3: Cross multiply
    758,835.40x = 1,140,221.40 × 672,230.20
  4. Step 4: Simplify right side
    758,835.40x = 766,491,259,766.28
  5. Step 5: Solve for x
    x = 766,491,259,766.28/758,835.40
  6. Step 6: Final answer
    x = 1,010,088.96

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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.