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Finding the Fourth Proportional to 526,541.70, 789,812.55 and 471,429.30

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Solution

The fourth proportional to 526,541.70, 789,812.55 and 471,429.30 is: 707,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,541.70 : 789,812.55 = 471,429.30 : x
  2. Step 2: Convert to fraction form
    526,541.70/789,812.55 = 471,429.30/x
  3. Step 3: Cross multiply
    526,541.70x = 789,812.55 × 471,429.30
  4. Step 4: Simplify right side
    526,541.70x = 372,340,777,577.72
  5. Step 5: Solve for x
    x = 372,340,777,577.72/526,541.70
  6. Step 6: Final answer
    x = 707,143.95

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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.