Home / 789,899.40-1,184,991.66-257,373

Finding the Fourth Proportional to 789,899.40, 1,184,991.66 and 257,373

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Solution

The fourth proportional to 789,899.40, 1,184,991.66 and 257,373 is: 386,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,899.40 : 1,184,991.66 = 257,373 : x
  2. Step 2: Convert to fraction form
    789,899.40/1,184,991.66 = 257,373/x
  3. Step 3: Cross multiply
    789,899.40x = 1,184,991.66 × 257,373
  4. Step 4: Simplify right side
    789,899.40x = 304,984,858,509.18
  5. Step 5: Solve for x
    x = 304,984,858,509.18/789,899.40
  6. Step 6: Final answer
    x = 386,105.95

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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.