Home / 893,239.62-1,339,106.31-387,419.79

Finding the Fourth Proportional to 893,239.62, 1,339,106.31 and 387,419.79

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Solution

The fourth proportional to 893,239.62, 1,339,106.31 and 387,419.79 is: 580,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,239.62 : 1,339,106.31 = 387,419.79 : x
  2. Step 2: Convert to fraction form
    893,239.62/1,339,106.31 = 387,419.79/x
  3. Step 3: Cross multiply
    893,239.62x = 1,339,106.31 × 387,419.79
  4. Step 4: Simplify right side
    893,239.62x = 518,796,285,407.88
  5. Step 5: Solve for x
    x = 518,796,285,407.88/893,239.62
  6. Step 6: Final answer
    x = 580,803.04

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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.