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Finding the Fourth Proportional to 558,542.69, 770,788.88 and 303,895.70

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Solution

The fourth proportional to 558,542.69, 770,788.88 and 303,895.70 is: 419,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,542.69 : 770,788.88 = 303,895.70 : x
  2. Step 2: Convert to fraction form
    558,542.69/770,788.88 = 303,895.70/x
  3. Step 3: Cross multiply
    558,542.69x = 770,788.88 × 303,895.70
  4. Step 4: Simplify right side
    558,542.69x = 234,239,424,896.46
  5. Step 5: Solve for x
    x = 234,239,424,896.46/558,542.69
  6. Step 6: Final answer
    x = 419,376.05

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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.