Home / 490,081.19-676,278.72-275,241.24

Finding the Fourth Proportional to 490,081.19, 676,278.72 and 275,241.24

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Solution

The fourth proportional to 490,081.19, 676,278.72 and 275,241.24 is: 379,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,081.19 : 676,278.72 = 275,241.24 : x
  2. Step 2: Convert to fraction form
    490,081.19/676,278.72 = 275,241.24/x
  3. Step 3: Cross multiply
    490,081.19x = 676,278.72 × 275,241.24
  4. Step 4: Simplify right side
    490,081.19x = 186,139,793,478.41
  5. Step 5: Solve for x
    x = 186,139,793,478.41/490,081.19
  6. Step 6: Final answer
    x = 379,814.20

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1.5x scale

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.