Home / 673,536.80-1,010,305.20-649,917.20

Finding the Fourth Proportional to 673,536.80, 1,010,305.20 and 649,917.20

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Solution

The fourth proportional to 673,536.80, 1,010,305.20 and 649,917.20 is: 974,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,536.80 : 1,010,305.20 = 649,917.20 : x
  2. Step 2: Convert to fraction form
    673,536.80/1,010,305.20 = 649,917.20/x
  3. Step 3: Cross multiply
    673,536.80x = 1,010,305.20 × 649,917.20
  4. Step 4: Simplify right side
    673,536.80x = 656,614,726,729.44
  5. Step 5: Solve for x
    x = 656,614,726,729.44/673,536.80
  6. Step 6: Final answer
    x = 974,875.80

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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.