Home / 890,492.20-1,336,613.10-441,719.80

Finding the Fourth Proportional to 890,492.20, 1,336,613.10 and 441,719.80

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Solution

The fourth proportional to 890,492.20, 1,336,613.10 and 441,719.80 is: 663,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,492.20 : 1,336,613.10 = 441,719.80 : x
  2. Step 2: Convert to fraction form
    890,492.20/1,336,613.10 = 441,719.80/x
  3. Step 3: Cross multiply
    890,492.20x = 1,336,613.10 × 441,719.80
  4. Step 4: Simplify right side
    890,492.20x = 590,408,471,209.38
  5. Step 5: Solve for x
    x = 590,408,471,209.38/890,492.20
  6. Step 6: Final answer
    x = 663,013.64

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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.