Home / 808,437.73-1,212,449.75-239,685.83

Finding the Fourth Proportional to 808,437.73, 1,212,449.75 and 239,685.83

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Solution

The fourth proportional to 808,437.73, 1,212,449.75 and 239,685.83 is: 359,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,437.73 : 1,212,449.75 = 239,685.83 : x
  2. Step 2: Convert to fraction form
    808,437.73/1,212,449.75 = 239,685.83/x
  3. Step 3: Cross multiply
    808,437.73x = 1,212,449.75 × 239,685.83
  4. Step 4: Simplify right side
    808,437.73x = 290,607,023,463.61
  5. Step 5: Solve for x
    x = 290,607,023,463.61/808,437.73
  6. Step 6: Final answer
    x = 359,467.42

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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.