Home / 680,974.80-1,021,462.20-575,998.80

Finding the Fourth Proportional to 680,974.80, 1,021,462.20 and 575,998.80

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Solution

The fourth proportional to 680,974.80, 1,021,462.20 and 575,998.80 is: 863,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,974.80 : 1,021,462.20 = 575,998.80 : x
  2. Step 2: Convert to fraction form
    680,974.80/1,021,462.20 = 575,998.80/x
  3. Step 3: Cross multiply
    680,974.80x = 1,021,462.20 × 575,998.80
  4. Step 4: Simplify right side
    680,974.80x = 588,361,001,445.36
  5. Step 5: Solve for x
    x = 588,361,001,445.36/680,974.80
  6. Step 6: Final answer
    x = 863,998.20

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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.