Home / 926,239.32-1,389,358.98-261,391.32

Finding the Fourth Proportional to 926,239.32, 1,389,358.98 and 261,391.32

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Solution

The fourth proportional to 926,239.32, 1,389,358.98 and 261,391.32 is: 392,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,239.32 : 1,389,358.98 = 261,391.32 : x
  2. Step 2: Convert to fraction form
    926,239.32/1,389,358.98 = 261,391.32/x
  3. Step 3: Cross multiply
    926,239.32x = 1,389,358.98 × 261,391.32
  4. Step 4: Simplify right side
    926,239.32x = 363,166,377,736.05
  5. Step 5: Solve for x
    x = 363,166,377,736.05/926,239.32
  6. Step 6: Final answer
    x = 392,086.98

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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.