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Finding the Fourth Proportional to 576,099, 863,872.47 and 272,240.28

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Solution

The fourth proportional to 576,099, 863,872.47 and 272,240.28 is: 408,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,099 : 863,872.47 = 272,240.28 : x
  2. Step 2: Convert to fraction form
    576,099/863,872.47 = 272,240.28/x
  3. Step 3: Cross multiply
    576,099x = 863,872.47 × 272,240.28
  4. Step 4: Simplify right side
    576,099x = 235,180,883,117.09
  5. Step 5: Solve for x
    x = 235,180,883,117.09/576,099
  6. Step 6: Final answer
    x = 408,229.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.