Home / 809,427.15-1,214,044.02-629,691.98

Finding the Fourth Proportional to 809,427.15, 1,214,044.02 and 629,691.98

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Solution

The fourth proportional to 809,427.15, 1,214,044.02 and 629,691.98 is: 944,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,427.15 : 1,214,044.02 = 629,691.98 : x
  2. Step 2: Convert to fraction form
    809,427.15/1,214,044.02 = 629,691.98/x
  3. Step 3: Cross multiply
    809,427.15x = 1,214,044.02 × 629,691.98
  4. Step 4: Simplify right side
    809,427.15x = 764,473,778,461.75
  5. Step 5: Solve for x
    x = 764,473,778,461.75/809,427.15
  6. Step 6: Final answer
    x = 944,462.73

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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.