Home / 558,521.37-770,767.38-303,872.76

Finding the Fourth Proportional to 558,521.37, 770,767.38 and 303,872.76

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Solution

The fourth proportional to 558,521.37, 770,767.38 and 303,872.76 is: 419,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,521.37 : 770,767.38 = 303,872.76 : x
  2. Step 2: Convert to fraction form
    558,521.37/770,767.38 = 303,872.76/x
  3. Step 3: Cross multiply
    558,521.37x = 770,767.38 × 303,872.76
  4. Step 4: Simplify right side
    558,521.37x = 234,215,211,078.57
  5. Step 5: Solve for x
    x = 234,215,211,078.57/558,521.37
  6. Step 6: Final answer
    x = 419,348.70

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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.