Home / 634,610.20-951,918.60-213,889.72

Finding the Fourth Proportional to 634,610.20, 951,918.60 and 213,889.72

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Solution

The fourth proportional to 634,610.20, 951,918.60 and 213,889.72 is: 320,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,610.20 : 951,918.60 = 213,889.72 : x
  2. Step 2: Convert to fraction form
    634,610.20/951,918.60 = 213,889.72/x
  3. Step 3: Cross multiply
    634,610.20x = 951,918.60 × 213,889.72
  4. Step 4: Simplify right side
    634,610.20x = 203,605,602,816.79
  5. Step 5: Solve for x
    x = 203,605,602,816.79/634,610.20
  6. Step 6: Final answer
    x = 320,835.69

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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.