Home / 526,540.20-789,810.30-471,427.80

Finding the Fourth Proportional to 526,540.20, 789,810.30 and 471,427.80

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Solution

The fourth proportional to 526,540.20, 789,810.30 and 471,427.80 is: 707,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,540.20 : 789,810.30 = 471,427.80 : x
  2. Step 2: Convert to fraction form
    526,540.20/789,810.30 = 471,427.80/x
  3. Step 3: Cross multiply
    526,540.20x = 789,810.30 × 471,427.80
  4. Step 4: Simplify right side
    526,540.20x = 372,338,532,146.34
  5. Step 5: Solve for x
    x = 372,338,532,146.34/526,540.20
  6. Step 6: Final answer
    x = 707,141.70

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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.