Home / 808,438.73-1,212,451.24-239,686.83

Finding the Fourth Proportional to 808,438.73, 1,212,451.24 and 239,686.83

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Solution

The fourth proportional to 808,438.73, 1,212,451.24 and 239,686.83 is: 359,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,438.73 : 1,212,451.24 = 239,686.83 : x
  2. Step 2: Convert to fraction form
    808,438.73/1,212,451.24 = 239,686.83/x
  3. Step 3: Cross multiply
    808,438.73x = 1,212,451.24 × 239,686.83
  4. Step 4: Simplify right side
    808,438.73x = 290,608,594,245.17
  5. Step 5: Solve for x
    x = 290,608,594,245.17/808,438.73
  6. Step 6: Final answer
    x = 359,468.92

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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.