Home / 807,610.40-1,210,103.40-694,761.20

Finding the Fourth Proportional to 807,610.40, 1,210,103.40 and 694,761.20

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Solution

The fourth proportional to 807,610.40, 1,210,103.40 and 694,761.20 is: 1,041,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,610.40 : 1,210,103.40 = 694,761.20 : x
  2. Step 2: Convert to fraction form
    807,610.40/1,210,103.40 = 694,761.20/x
  3. Step 3: Cross multiply
    807,610.40x = 1,210,103.40 × 694,761.20
  4. Step 4: Simplify right side
    807,610.40x = 840,732,890,308.08
  5. Step 5: Solve for x
    x = 840,732,890,308.08/807,610.40
  6. Step 6: Final answer
    x = 1,041,012.96

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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.