Home / 490,277.04-676,508.65-275,375.94

Finding the Fourth Proportional to 490,277.04, 676,508.65 and 275,375.94

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Solution

The fourth proportional to 490,277.04, 676,508.65 and 275,375.94 is: 379,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,277.04 : 676,508.65 = 275,375.94 : x
  2. Step 2: Convert to fraction form
    490,277.04/676,508.65 = 275,375.94/x
  3. Step 3: Cross multiply
    490,277.04x = 676,508.65 × 275,375.94
  4. Step 4: Simplify right side
    490,277.04x = 186,294,205,411.88
  5. Step 5: Solve for x
    x = 186,294,205,411.88/490,277.04
  6. Step 6: Final answer
    x = 379,977.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.