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Finding the Fourth Proportional to 558,180.72, 770,287.32 and 303,542.64

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Solution

The fourth proportional to 558,180.72, 770,287.32 and 303,542.64 is: 418,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,180.72 : 770,287.32 = 303,542.64 : x
  2. Step 2: Convert to fraction form
    558,180.72/770,287.32 = 303,542.64/x
  3. Step 3: Cross multiply
    558,180.72x = 770,287.32 × 303,542.64
  4. Step 4: Simplify right side
    558,180.72x = 233,815,046,671.33
  5. Step 5: Solve for x
    x = 233,815,046,671.33/558,180.72
  6. Step 6: Final answer
    x = 418,887.72

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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.