Home / 831,251.05-1,147,103.44-468,671.70

Finding the Fourth Proportional to 831,251.05, 1,147,103.44 and 468,671.70

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Solution

The fourth proportional to 831,251.05, 1,147,103.44 and 468,671.70 is: 646,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,251.05 : 1,147,103.44 = 468,671.70 : x
  2. Step 2: Convert to fraction form
    831,251.05/1,147,103.44 = 468,671.70/x
  3. Step 3: Cross multiply
    831,251.05x = 1,147,103.44 × 468,671.70
  4. Step 4: Simplify right side
    831,251.05x = 537,614,919,300.65
  5. Step 5: Solve for x
    x = 537,614,919,300.65/831,251.05
  6. Step 6: Final answer
    x = 646,753.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.