Home / 470,839.67-649,765.82-255,979.25

Finding the Fourth Proportional to 470,839.67, 649,765.82 and 255,979.25

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Solution

The fourth proportional to 470,839.67, 649,765.82 and 255,979.25 is: 353,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,839.67 : 649,765.82 = 255,979.25 : x
  2. Step 2: Convert to fraction form
    470,839.67/649,765.82 = 255,979.25/x
  3. Step 3: Cross multiply
    470,839.67x = 649,765.82 × 255,979.25
  4. Step 4: Simplify right side
    470,839.67x = 166,326,567,279.24
  5. Step 5: Solve for x
    x = 166,326,567,279.24/470,839.67
  6. Step 6: Final answer
    x = 353,255.21

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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.