Home / 470,309.57-649,031.97-255,453.83

Finding the Fourth Proportional to 470,309.57, 649,031.97 and 255,453.83

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Solution

The fourth proportional to 470,309.57, 649,031.97 and 255,453.83 is: 352,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,309.57 : 649,031.97 = 255,453.83 : x
  2. Step 2: Convert to fraction form
    470,309.57/649,031.97 = 255,453.83/x
  3. Step 3: Cross multiply
    470,309.57x = 649,031.97 × 255,453.83
  4. Step 4: Simplify right side
    470,309.57x = 165,797,699,283.79
  5. Step 5: Solve for x
    x = 165,797,699,283.79/470,309.57
  6. Step 6: Final answer
    x = 352,528.87

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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.