Home / 815,446.16-1,222,684.68-310,044.14

Finding the Fourth Proportional to 815,446.16, 1,222,684.68 and 310,044.14

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Solution

The fourth proportional to 815,446.16, 1,222,684.68 and 310,044.14 is: 464,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,446.16 : 1,222,684.68 = 310,044.14 : x
  2. Step 2: Convert to fraction form
    815,446.16/1,222,684.68 = 310,044.14/x
  3. Step 3: Cross multiply
    815,446.16x = 1,222,684.68 × 310,044.14
  4. Step 4: Simplify right side
    815,446.16x = 379,086,220,101.78
  5. Step 5: Solve for x
    x = 379,086,220,101.78/815,446.16
  6. Step 6: Final answer
    x = 464,881.97

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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.