Home / 921,602.43-1,382,196.24-330,626.43

Finding the Fourth Proportional to 921,602.43, 1,382,196.24 and 330,626.43

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Solution

The fourth proportional to 921,602.43, 1,382,196.24 and 330,626.43 is: 495,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,602.43 : 1,382,196.24 = 330,626.43 : x
  2. Step 2: Convert to fraction form
    921,602.43/1,382,196.24 = 330,626.43/x
  3. Step 3: Cross multiply
    921,602.43x = 1,382,196.24 × 330,626.43
  4. Step 4: Simplify right side
    921,602.43x = 456,990,608,390.62
  5. Step 5: Solve for x
    x = 456,990,608,390.62/921,602.43
  6. Step 6: Final answer
    x = 495,865.24

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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.