Home / 769,490.78-1,154,294.16-229,704.42

Finding the Fourth Proportional to 769,490.78, 1,154,294.16 and 229,704.42

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Solution

The fourth proportional to 769,490.78, 1,154,294.16 and 229,704.42 is: 344,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,490.78 : 1,154,294.16 = 229,704.42 : x
  2. Step 2: Convert to fraction form
    769,490.78/1,154,294.16 = 229,704.42/x
  3. Step 3: Cross multiply
    769,490.78x = 1,154,294.16 × 229,704.42
  4. Step 4: Simplify right side
    769,490.78x = 265,146,470,532.19
  5. Step 5: Solve for x
    x = 265,146,470,532.19/769,490.78
  6. Step 6: Final answer
    x = 344,573.94

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Double scale
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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.