Home / 591,881.52-887,432.25-212,611.98

Finding the Fourth Proportional to 591,881.52, 887,432.25 and 212,611.98

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Solution

The fourth proportional to 591,881.52, 887,432.25 and 212,611.98 is: 318,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,881.52 : 887,432.25 = 212,611.98 : x
  2. Step 2: Convert to fraction form
    591,881.52/887,432.25 = 212,611.98/x
  3. Step 3: Cross multiply
    591,881.52x = 887,432.25 × 212,611.98
  4. Step 4: Simplify right side
    591,881.52x = 188,678,727,788.36
  5. Step 5: Solve for x
    x = 188,678,727,788.36/591,881.52
  6. Step 6: Final answer
    x = 318,777.87

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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.