Home / 490,637.57-677,099.04-275,776.97

Finding the Fourth Proportional to 490,637.57, 677,099.04 and 275,776.97

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Solution

The fourth proportional to 490,637.57, 677,099.04 and 275,776.97 is: 380,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,637.57 : 677,099.04 = 275,776.97 : x
  2. Step 2: Convert to fraction form
    490,637.57/677,099.04 = 275,776.97/x
  3. Step 3: Cross multiply
    490,637.57x = 677,099.04 × 275,776.97
  4. Step 4: Simplify right side
    490,637.57x = 186,728,321,641.11
  5. Step 5: Solve for x
    x = 186,728,321,641.11/490,637.57
  6. Step 6: Final answer
    x = 380,583.01

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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.