Home / 831,023.01-1,146,902.88-482,240.25

Finding the Fourth Proportional to 831,023.01, 1,146,902.88 and 482,240.25

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Solution

The fourth proportional to 831,023.01, 1,146,902.88 and 482,240.25 is: 665,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,023.01 : 1,146,902.88 = 482,240.25 : x
  2. Step 2: Convert to fraction form
    831,023.01/1,146,902.88 = 482,240.25/x
  3. Step 3: Cross multiply
    831,023.01x = 1,146,902.88 × 482,240.25
  4. Step 4: Simplify right side
    831,023.01x = 553,082,731,576.92
  5. Step 5: Solve for x
    x = 553,082,731,576.92/831,023.01
  6. Step 6: Final answer
    x = 665,544.43

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.