Home / 865,008.10-1,297,123.35-332,352.10

Finding the Fourth Proportional to 865,008.10, 1,297,123.35 and 332,352.10

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Solution

The fourth proportional to 865,008.10, 1,297,123.35 and 332,352.10 is: 498,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,008.10 : 1,297,123.35 = 332,352.10 : x
  2. Step 2: Convert to fraction form
    865,008.10/1,297,123.35 = 332,352.10/x
  3. Step 3: Cross multiply
    865,008.10x = 1,297,123.35 × 332,352.10
  4. Step 4: Simplify right side
    865,008.10x = 431,101,669,331.54
  5. Step 5: Solve for x
    x = 431,101,669,331.54/865,008.10
  6. Step 6: Final answer
    x = 498,378.77

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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.