Home / 993,140.61-1,489,724.78-283,168.92

Finding the Fourth Proportional to 993,140.61, 1,489,724.78 and 283,168.92

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Solution

The fourth proportional to 993,140.61, 1,489,724.78 and 283,168.92 is: 424,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,140.61 : 1,489,724.78 = 283,168.92 : x
  2. Step 2: Convert to fraction form
    993,140.61/1,489,724.78 = 283,168.92/x
  3. Step 3: Cross multiply
    993,140.61x = 1,489,724.78 × 283,168.92
  4. Step 4: Simplify right side
    993,140.61x = 421,843,757,049.84
  5. Step 5: Solve for x
    x = 421,843,757,049.84/993,140.61
  6. Step 6: Final answer
    x = 424,757.33

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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.