Home / 791,785.55-1,187,558.01-259,294.79

Finding the Fourth Proportional to 791,785.55, 1,187,558.01 and 259,294.79

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Solution

The fourth proportional to 791,785.55, 1,187,558.01 and 259,294.79 is: 388,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,785.55 : 1,187,558.01 = 259,294.79 : x
  2. Step 2: Convert to fraction form
    791,785.55/1,187,558.01 = 259,294.79/x
  3. Step 3: Cross multiply
    791,785.55x = 1,187,558.01 × 259,294.79
  4. Step 4: Simplify right side
    791,785.55x = 307,927,598,877.98
  5. Step 5: Solve for x
    x = 307,927,598,877.98/791,785.55
  6. Step 6: Final answer
    x = 388,902.78

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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.