Home / 815,279.85-1,222,540.10-302,587.94

Finding the Fourth Proportional to 815,279.85, 1,222,540.10 and 302,587.94

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Solution

The fourth proportional to 815,279.85, 1,222,540.10 and 302,587.94 is: 453,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,279.85 : 1,222,540.10 = 302,587.94 : x
  2. Step 2: Convert to fraction form
    815,279.85/1,222,540.10 = 302,587.94/x
  3. Step 3: Cross multiply
    815,279.85x = 1,222,540.10 × 302,587.94
  4. Step 4: Simplify right side
    815,279.85x = 369,925,882,800.75
  5. Step 5: Solve for x
    x = 369,925,882,800.75/815,279.85
  6. Step 6: Final answer
    x = 453,740.99

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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.