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Finding the Fourth Proportional to 605,516.10, 908,274.15 and 512,204.10

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Solution

The fourth proportional to 605,516.10, 908,274.15 and 512,204.10 is: 768,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,516.10 : 908,274.15 = 512,204.10 : x
  2. Step 2: Convert to fraction form
    605,516.10/908,274.15 = 512,204.10/x
  3. Step 3: Cross multiply
    605,516.10x = 908,274.15 × 512,204.10
  4. Step 4: Simplify right side
    605,516.10x = 465,221,743,554.02
  5. Step 5: Solve for x
    x = 465,221,743,554.02/605,516.10
  6. Step 6: Final answer
    x = 768,306.15

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Double scale
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Similar ratio
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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.