Home / 470,987.60-649,979.93-269,822.48

Finding the Fourth Proportional to 470,987.60, 649,979.93 and 269,822.48

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Solution

The fourth proportional to 470,987.60, 649,979.93 and 269,822.48 is: 372,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,987.60 : 649,979.93 = 269,822.48 : x
  2. Step 2: Convert to fraction form
    470,987.60/649,979.93 = 269,822.48/x
  3. Step 3: Cross multiply
    470,987.60x = 649,979.93 × 269,822.48
  4. Step 4: Simplify right side
    470,987.60x = 175,379,194,087.48
  5. Step 5: Solve for x
    x = 175,379,194,087.48/470,987.60
  6. Step 6: Final answer
    x = 372,364.78

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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.