Home / 470,987.01-649,979.22-269,821.89

Finding the Fourth Proportional to 470,987.01, 649,979.22 and 269,821.89

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Solution

The fourth proportional to 470,987.01, 649,979.22 and 269,821.89 is: 372,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,987.01 : 649,979.22 = 269,821.89 : x
  2. Step 2: Convert to fraction form
    470,987.01/649,979.22 = 269,821.89/x
  3. Step 3: Cross multiply
    470,987.01x = 649,979.22 × 269,821.89
  4. Step 4: Simplify right side
    470,987.01x = 175,378,621,601.13
  5. Step 5: Solve for x
    x = 175,378,621,601.13/470,987.01
  6. Step 6: Final answer
    x = 372,364.03

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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.