Home / 758,833.40-1,140,218.40-672,228.20

Finding the Fourth Proportional to 758,833.40, 1,140,218.40 and 672,228.20

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Solution

The fourth proportional to 758,833.40, 1,140,218.40 and 672,228.20 is: 1,010,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,833.40 : 1,140,218.40 = 672,228.20 : x
  2. Step 2: Convert to fraction form
    758,833.40/1,140,218.40 = 672,228.20/x
  3. Step 3: Cross multiply
    758,833.40x = 1,140,218.40 × 672,228.20
  4. Step 4: Simplify right side
    758,833.40x = 766,486,962,638.88
  5. Step 5: Solve for x
    x = 766,486,962,638.88/758,833.40
  6. Step 6: Final answer
    x = 1,010,085.96

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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.