Home / 470,975.55-649,717.74-279,853.62

Finding the Fourth Proportional to 470,975.55, 649,717.74 and 279,853.62

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Solution

The fourth proportional to 470,975.55, 649,717.74 and 279,853.62 is: 386,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,975.55 : 649,717.74 = 279,853.62 : x
  2. Step 2: Convert to fraction form
    470,975.55/649,717.74 = 279,853.62/x
  3. Step 3: Cross multiply
    470,975.55x = 649,717.74 × 279,853.62
  4. Step 4: Simplify right side
    470,975.55x = 181,825,861,517.22
  5. Step 5: Solve for x
    x = 181,825,861,517.22/470,975.55
  6. Step 6: Final answer
    x = 386,062.21

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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.