Home / 725,115.48-1,087,694.67-346,076.10

Finding the Fourth Proportional to 725,115.48, 1,087,694.67 and 346,076.10

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Solution

The fourth proportional to 725,115.48, 1,087,694.67 and 346,076.10 is: 519,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,115.48 : 1,087,694.67 = 346,076.10 : x
  2. Step 2: Convert to fraction form
    725,115.48/1,087,694.67 = 346,076.10/x
  3. Step 3: Cross multiply
    725,115.48x = 1,087,694.67 × 346,076.10
  4. Step 4: Simplify right side
    725,115.48x = 376,425,129,384.39
  5. Step 5: Solve for x
    x = 376,425,129,384.39/725,115.48
  6. Step 6: Final answer
    x = 519,124.39

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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.