Home / 789,836.56-1,184,027.98-429,480.94

Finding the Fourth Proportional to 789,836.56, 1,184,027.98 and 429,480.94

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Solution

The fourth proportional to 789,836.56, 1,184,027.98 and 429,480.94 is: 643,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,836.56 : 1,184,027.98 = 429,480.94 : x
  2. Step 2: Convert to fraction form
    789,836.56/1,184,027.98 = 429,480.94/x
  3. Step 3: Cross multiply
    789,836.56x = 1,184,027.98 × 429,480.94
  4. Step 4: Simplify right side
    789,836.56x = 508,517,449,836.70
  5. Step 5: Solve for x
    x = 508,517,449,836.70/789,836.56
  6. Step 6: Final answer
    x = 643,826.17

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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.