Home / 470,274-648,982.88-255,418.26

Finding the Fourth Proportional to 470,274, 648,982.88 and 255,418.26

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Solution

The fourth proportional to 470,274, 648,982.88 and 255,418.26 is: 352,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,274 : 648,982.88 = 255,418.26 : x
  2. Step 2: Convert to fraction form
    470,274/648,982.88 = 255,418.26/x
  3. Step 3: Cross multiply
    470,274x = 648,982.88 × 255,418.26
  4. Step 4: Simplify right side
    470,274x = 165,762,077,979.39
  5. Step 5: Solve for x
    x = 165,762,077,979.39/470,274
  6. Step 6: Final answer
    x = 352,479.78

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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.