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Finding the Fourth Proportional to 527,359.38, 789,687.78 and 365,028.36

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Solution

The fourth proportional to 527,359.38, 789,687.78 and 365,028.36 is: 546,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,359.38 : 789,687.78 = 365,028.36 : x
  2. Step 2: Convert to fraction form
    527,359.38/789,687.78 = 365,028.36/x
  3. Step 3: Cross multiply
    527,359.38x = 789,687.78 × 365,028.36
  4. Step 4: Simplify right side
    527,359.38x = 288,258,435,245.44
  5. Step 5: Solve for x
    x = 288,258,435,245.44/527,359.38
  6. Step 6: Final answer
    x = 546,607.20

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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.