Home / 693,426.80-1,040,140.20-575,231.60

Finding the Fourth Proportional to 693,426.80, 1,040,140.20 and 575,231.60

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Solution

The fourth proportional to 693,426.80, 1,040,140.20 and 575,231.60 is: 862,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,426.80 : 1,040,140.20 = 575,231.60 : x
  2. Step 2: Convert to fraction form
    693,426.80/1,040,140.20 = 575,231.60/x
  3. Step 3: Cross multiply
    693,426.80x = 1,040,140.20 × 575,231.60
  4. Step 4: Simplify right side
    693,426.80x = 598,321,511,470.32
  5. Step 5: Solve for x
    x = 598,321,511,470.32/693,426.80
  6. Step 6: Final answer
    x = 862,847.40

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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.