Home / 792,123.30-1,188,039.15-492,066.90

Finding the Fourth Proportional to 792,123.30, 1,188,039.15 and 492,066.90

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Solution

The fourth proportional to 792,123.30, 1,188,039.15 and 492,066.90 is: 738,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,123.30 : 1,188,039.15 = 492,066.90 : x
  2. Step 2: Convert to fraction form
    792,123.30/1,188,039.15 = 492,066.90/x
  3. Step 3: Cross multiply
    792,123.30x = 1,188,039.15 × 492,066.90
  4. Step 4: Simplify right side
    792,123.30x = 584,594,741,619.14
  5. Step 5: Solve for x
    x = 584,594,741,619.14/792,123.30
  6. Step 6: Final answer
    x = 738,009.78

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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.