Home / 558,290.06-770,438.13-303,645.50

Finding the Fourth Proportional to 558,290.06, 770,438.13 and 303,645.50

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Solution

The fourth proportional to 558,290.06, 770,438.13 and 303,645.50 is: 419,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,290.06 : 770,438.13 = 303,645.50 : x
  2. Step 2: Convert to fraction form
    558,290.06/770,438.13 = 303,645.50/x
  3. Step 3: Cross multiply
    558,290.06x = 770,438.13 × 303,645.50
  4. Step 4: Simplify right side
    558,290.06x = 233,940,067,350.72
  5. Step 5: Solve for x
    x = 233,940,067,350.72/558,290.06
  6. Step 6: Final answer
    x = 419,029.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.