Home / 634,635.98-951,956.94-213,915.50

Finding the Fourth Proportional to 634,635.98, 951,956.94 and 213,915.50

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Solution

The fourth proportional to 634,635.98, 951,956.94 and 213,915.50 is: 320,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,635.98 : 951,956.94 = 213,915.50 : x
  2. Step 2: Convert to fraction form
    634,635.98/951,956.94 = 213,915.50/x
  3. Step 3: Cross multiply
    634,635.98x = 951,956.94 × 213,915.50
  4. Step 4: Simplify right side
    634,635.98x = 203,638,344,798.57
  5. Step 5: Solve for x
    x = 203,638,344,798.57/634,635.98
  6. Step 6: Final answer
    x = 320,874.25

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Similar ratio
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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.