Home / 490,316.84-676,633.19-275,452.32

Finding the Fourth Proportional to 490,316.84, 676,633.19 and 275,452.32

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Solution

The fourth proportional to 490,316.84, 676,633.19 and 275,452.32 is: 380,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,316.84 : 676,633.19 = 275,452.32 : x
  2. Step 2: Convert to fraction form
    490,316.84/676,633.19 = 275,452.32/x
  3. Step 3: Cross multiply
    490,316.84x = 676,633.19 × 275,452.32
  4. Step 4: Simplify right side
    490,316.84x = 186,380,180,597.24
  5. Step 5: Solve for x
    x = 186,380,180,597.24/490,316.84
  6. Step 6: Final answer
    x = 380,121.93

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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.