Home / 648,668.64-972,605.52-227,992.80

Finding the Fourth Proportional to 648,668.64, 972,605.52 and 227,992.80

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Solution

The fourth proportional to 648,668.64, 972,605.52 and 227,992.80 is: 341,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,668.64 : 972,605.52 = 227,992.80 : x
  2. Step 2: Convert to fraction form
    648,668.64/972,605.52 = 227,992.80/x
  3. Step 3: Cross multiply
    648,668.64x = 972,605.52 × 227,992.80
  4. Step 4: Simplify right side
    648,668.64x = 221,747,055,800.26
  5. Step 5: Solve for x
    x = 221,747,055,800.26/648,668.64
  6. Step 6: Final answer
    x = 341,849.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.