Home / 634,636.98-951,958.44-213,916.50

Finding the Fourth Proportional to 634,636.98, 951,958.44 and 213,916.50

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Solution

The fourth proportional to 634,636.98, 951,958.44 and 213,916.50 is: 320,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,636.98 : 951,958.44 = 213,916.50 : x
  2. Step 2: Convert to fraction form
    634,636.98/951,958.44 = 213,916.50/x
  3. Step 3: Cross multiply
    634,636.98x = 951,958.44 × 213,916.50
  4. Step 4: Simplify right side
    634,636.98x = 203,639,617,630.26
  5. Step 5: Solve for x
    x = 203,639,617,630.26/634,636.98
  6. Step 6: Final answer
    x = 320,875.75

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Similar ratio
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1.5x scale

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.