Home / 558,614.25-770,881.19-303,961.05

Finding the Fourth Proportional to 558,614.25, 770,881.19 and 303,961.05

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Solution

The fourth proportional to 558,614.25, 770,881.19 and 303,961.05 is: 419,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,614.25 : 770,881.19 = 303,961.05 : x
  2. Step 2: Convert to fraction form
    558,614.25/770,881.19 = 303,961.05/x
  3. Step 3: Cross multiply
    558,614.25x = 770,881.19 × 303,961.05
  4. Step 4: Simplify right side
    558,614.25x = 234,317,854,417.84
  5. Step 5: Solve for x
    x = 234,317,854,417.84/558,614.25
  6. Step 6: Final answer
    x = 419,462.72

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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.