Home / 526,490.61-789,735.31-171,504.06

Finding the Fourth Proportional to 526,490.61, 789,735.31 and 171,504.06

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Solution

The fourth proportional to 526,490.61, 789,735.31 and 171,504.06 is: 257,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,490.61 : 789,735.31 = 171,504.06 : x
  2. Step 2: Convert to fraction form
    526,490.61/789,735.31 = 171,504.06/x
  3. Step 3: Cross multiply
    526,490.61x = 789,735.31 × 171,504.06
  4. Step 4: Simplify right side
    526,490.61x = 135,442,811,990.36
  5. Step 5: Solve for x
    x = 135,442,811,990.36/526,490.61
  6. Step 6: Final answer
    x = 257,255.89

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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.