Home / 672,982.20-1,010,348.10-540,012.60

Finding the Fourth Proportional to 672,982.20, 1,010,348.10 and 540,012.60

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Solution

The fourth proportional to 672,982.20, 1,010,348.10 and 540,012.60 is: 810,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,982.20 : 1,010,348.10 = 540,012.60 : x
  2. Step 2: Convert to fraction form
    672,982.20/1,010,348.10 = 540,012.60/x
  3. Step 3: Cross multiply
    672,982.20x = 1,010,348.10 × 540,012.60
  4. Step 4: Simplify right side
    672,982.20x = 545,600,704,386.06
  5. Step 5: Solve for x
    x = 545,600,704,386.06/672,982.20
  6. Step 6: Final answer
    x = 810,720.85

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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.