Home / 807,636.80-1,211,455.20-695,443.70

Finding the Fourth Proportional to 807,636.80, 1,211,455.20 and 695,443.70

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Solution

The fourth proportional to 807,636.80, 1,211,455.20 and 695,443.70 is: 1,043,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,636.80 : 1,211,455.20 = 695,443.70 : x
  2. Step 2: Convert to fraction form
    807,636.80/1,211,455.20 = 695,443.70/x
  3. Step 3: Cross multiply
    807,636.80x = 1,211,455.20 × 695,443.70
  4. Step 4: Simplify right side
    807,636.80x = 842,498,886,672.24
  5. Step 5: Solve for x
    x = 842,498,886,672.24/807,636.80
  6. Step 6: Final answer
    x = 1,043,165.55

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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.