Home / 807,919.17-1,211,465.71-267,980.52

Finding the Fourth Proportional to 807,919.17, 1,211,465.71 and 267,980.52

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Solution

The fourth proportional to 807,919.17, 1,211,465.71 and 267,980.52 is: 401,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,919.17 : 1,211,465.71 = 267,980.52 : x
  2. Step 2: Convert to fraction form
    807,919.17/1,211,465.71 = 267,980.52/x
  3. Step 3: Cross multiply
    807,919.17x = 1,211,465.71 × 267,980.52
  4. Step 4: Simplify right side
    807,919.17x = 324,649,210,927.97
  5. Step 5: Solve for x
    x = 324,649,210,927.97/807,919.17
  6. Step 6: Final answer
    x = 401,833.78

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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.