Home / 558,149.23-770,249.94-303,498.59

Finding the Fourth Proportional to 558,149.23, 770,249.94 and 303,498.59

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Solution

The fourth proportional to 558,149.23, 770,249.94 and 303,498.59 is: 418,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,149.23 : 770,249.94 = 303,498.59 : x
  2. Step 2: Convert to fraction form
    558,149.23/770,249.94 = 303,498.59/x
  3. Step 3: Cross multiply
    558,149.23x = 770,249.94 × 303,498.59
  4. Step 4: Simplify right side
    558,149.23x = 233,769,770,737.59
  5. Step 5: Solve for x
    x = 233,769,770,737.59/558,149.23
  6. Step 6: Final answer
    x = 418,830.23

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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.