Home / 858,616.61-1,288,013.09-227,530.40

Finding the Fourth Proportional to 858,616.61, 1,288,013.09 and 227,530.40

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Solution

The fourth proportional to 858,616.61, 1,288,013.09 and 227,530.40 is: 341,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,616.61 : 1,288,013.09 = 227,530.40 : x
  2. Step 2: Convert to fraction form
    858,616.61/1,288,013.09 = 227,530.40/x
  3. Step 3: Cross multiply
    858,616.61x = 1,288,013.09 × 227,530.40
  4. Step 4: Simplify right side
    858,616.61x = 293,062,125,995.22
  5. Step 5: Solve for x
    x = 293,062,125,995.22/858,616.61
  6. Step 6: Final answer
    x = 341,318.96

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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.