Home / 634,638.32-951,960.60-213,917.84

Finding the Fourth Proportional to 634,638.32, 951,960.60 and 213,917.84

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Solution

The fourth proportional to 634,638.32, 951,960.60 and 213,917.84 is: 320,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,638.32 : 951,960.60 = 213,917.84 : x
  2. Step 2: Convert to fraction form
    634,638.32/951,960.60 = 213,917.84/x
  3. Step 3: Cross multiply
    634,638.32x = 951,960.60 × 213,917.84
  4. Step 4: Simplify right side
    634,638.32x = 203,641,355,317.10
  5. Step 5: Solve for x
    x = 203,641,355,317.10/634,638.32
  6. Step 6: Final answer
    x = 320,877.81

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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.