Home / 979,272.72-1,468,917.18-269,339.58

Finding the Fourth Proportional to 979,272.72, 1,468,917.18 and 269,339.58

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Solution

The fourth proportional to 979,272.72, 1,468,917.18 and 269,339.58 is: 404,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,272.72 : 1,468,917.18 = 269,339.58 : x
  2. Step 2: Convert to fraction form
    979,272.72/1,468,917.18 = 269,339.58/x
  3. Step 3: Cross multiply
    979,272.72x = 1,468,917.18 × 269,339.58
  4. Step 4: Simplify right side
    979,272.72x = 395,637,536,315.98
  5. Step 5: Solve for x
    x = 395,637,536,315.98/979,272.72
  6. Step 6: Final answer
    x = 404,011.60

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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.