Home / 490,966.58-677,523.25-284,243.69

Finding the Fourth Proportional to 490,966.58, 677,523.25 and 284,243.69

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Solution

The fourth proportional to 490,966.58, 677,523.25 and 284,243.69 is: 392,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,966.58 : 677,523.25 = 284,243.69 : x
  2. Step 2: Convert to fraction form
    490,966.58/677,523.25 = 284,243.69/x
  3. Step 3: Cross multiply
    490,966.58x = 677,523.25 × 284,243.69
  4. Step 4: Simplify right side
    490,966.58x = 192,581,708,640.79
  5. Step 5: Solve for x
    x = 192,581,708,640.79/490,966.58
  6. Step 6: Final answer
    x = 392,250.14

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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.