Home / 791,377.56-1,187,212.14-258,928.38

Finding the Fourth Proportional to 791,377.56, 1,187,212.14 and 258,928.38

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Solution

The fourth proportional to 791,377.56, 1,187,212.14 and 258,928.38 is: 388,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,377.56 : 1,187,212.14 = 258,928.38 : x
  2. Step 2: Convert to fraction form
    791,377.56/1,187,212.14 = 258,928.38/x
  3. Step 3: Cross multiply
    791,377.56x = 1,187,212.14 × 258,928.38
  4. Step 4: Simplify right side
    791,377.56x = 307,402,916,126.53
  5. Step 5: Solve for x
    x = 307,402,916,126.53/791,377.56
  6. Step 6: Final answer
    x = 388,440.27

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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.