Home / 558,115.12-770,193.52-303,466.40

Finding the Fourth Proportional to 558,115.12, 770,193.52 and 303,466.40

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Solution

The fourth proportional to 558,115.12, 770,193.52 and 303,466.40 is: 418,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,115.12 : 770,193.52 = 303,466.40 : x
  2. Step 2: Convert to fraction form
    558,115.12/770,193.52 = 303,466.40/x
  3. Step 3: Cross multiply
    558,115.12x = 770,193.52 × 303,466.40
  4. Step 4: Simplify right side
    558,115.12x = 233,727,854,817.73
  5. Step 5: Solve for x
    x = 233,727,854,817.73/558,115.12
  6. Step 6: Final answer
    x = 418,780.73

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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.