Home / 644,647.48-966,370.06-217,884.80

Finding the Fourth Proportional to 644,647.48, 966,370.06 and 217,884.80

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Solution

The fourth proportional to 644,647.48, 966,370.06 and 217,884.80 is: 326,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,647.48 : 966,370.06 = 217,884.80 : x
  2. Step 2: Convert to fraction form
    644,647.48/966,370.06 = 217,884.80/x
  3. Step 3: Cross multiply
    644,647.48x = 966,370.06 × 217,884.80
  4. Step 4: Simplify right side
    644,647.48x = 210,557,349,937.37
  5. Step 5: Solve for x
    x = 210,557,349,937.37/644,647.48
  6. Step 6: Final answer
    x = 326,624.02

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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.