Home / 831,816.39-1,247,724.71-200,730.21

Finding the Fourth Proportional to 831,816.39, 1,247,724.71 and 200,730.21

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Solution

The fourth proportional to 831,816.39, 1,247,724.71 and 200,730.21 is: 301,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,816.39 : 1,247,724.71 = 200,730.21 : x
  2. Step 2: Convert to fraction form
    831,816.39/1,247,724.71 = 200,730.21/x
  3. Step 3: Cross multiply
    831,816.39x = 1,247,724.71 × 200,730.21
  4. Step 4: Simplify right side
    831,816.39x = 250,456,043,060.49
  5. Step 5: Solve for x
    x = 250,456,043,060.49/831,816.39
  6. Step 6: Final answer
    x = 301,095.35

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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.