Home / 789,983.54-1,185,098.16-257,380.46

Finding the Fourth Proportional to 789,983.54, 1,185,098.16 and 257,380.46

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Solution

The fourth proportional to 789,983.54, 1,185,098.16 and 257,380.46 is: 386,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,983.54 : 1,185,098.16 = 257,380.46 : x
  2. Step 2: Convert to fraction form
    789,983.54/1,185,098.16 = 257,380.46/x
  3. Step 3: Cross multiply
    789,983.54x = 1,185,098.16 × 257,380.46
  4. Step 4: Simplify right side
    789,983.54x = 305,021,109,565.95
  5. Step 5: Solve for x
    x = 305,021,109,565.95/789,983.54
  6. Step 6: Final answer
    x = 386,110.72

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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.