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Finding the Fourth Proportional to 831,099, 1,246,855.86 and 240,123

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Solution

The fourth proportional to 831,099, 1,246,855.86 and 240,123 is: 360,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,099 : 1,246,855.86 = 240,123 : x
  2. Step 2: Convert to fraction form
    831,099/1,246,855.86 = 240,123/x
  3. Step 3: Cross multiply
    831,099x = 1,246,855.86 × 240,123
  4. Step 4: Simplify right side
    831,099x = 299,398,769,670.78
  5. Step 5: Solve for x
    x = 299,398,769,670.78/831,099
  6. Step 6: Final answer
    x = 360,244.41

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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.