Home / 634,516.20-951,903.90-213,834.60

Finding the Fourth Proportional to 634,516.20, 951,903.90 and 213,834.60

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Solution

The fourth proportional to 634,516.20, 951,903.90 and 213,834.60 is: 320,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,516.20 : 951,903.90 = 213,834.60 : x
  2. Step 2: Convert to fraction form
    634,516.20/951,903.90 = 213,834.60/x
  3. Step 3: Cross multiply
    634,516.20x = 951,903.90 × 213,834.60
  4. Step 4: Simplify right side
    634,516.20x = 203,549,989,694.94
  5. Step 5: Solve for x
    x = 203,549,989,694.94/634,516.20
  6. Step 6: Final answer
    x = 320,795.58

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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.