Home / 818,959.86-1,228,442.94-250,338.78

Finding the Fourth Proportional to 818,959.86, 1,228,442.94 and 250,338.78

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Solution

The fourth proportional to 818,959.86, 1,228,442.94 and 250,338.78 is: 375,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,959.86 : 1,228,442.94 = 250,338.78 : x
  2. Step 2: Convert to fraction form
    818,959.86/1,228,442.94 = 250,338.78/x
  3. Step 3: Cross multiply
    818,959.86x = 1,228,442.94 × 250,338.78
  4. Step 4: Simplify right side
    818,959.86x = 307,526,906,899.21
  5. Step 5: Solve for x
    x = 307,526,906,899.21/818,959.86
  6. Step 6: Final answer
    x = 375,509.13

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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.