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Finding the Fourth Proportional to 618,230.60, 926,597.10 and 262,497.80

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Solution

The fourth proportional to 618,230.60, 926,597.10 and 262,497.80 is: 393,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,230.60 : 926,597.10 = 262,497.80 : x
  2. Step 2: Convert to fraction form
    618,230.60/926,597.10 = 262,497.80/x
  3. Step 3: Cross multiply
    618,230.60x = 926,597.10 × 262,497.80
  4. Step 4: Simplify right side
    618,230.60x = 243,229,700,236.38
  5. Step 5: Solve for x
    x = 243,229,700,236.38/618,230.60
  6. Step 6: Final answer
    x = 393,428.76

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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.