Home / 490,567.28-677,496.88-338,002.16

Finding the Fourth Proportional to 490,567.28, 677,496.88 and 338,002.16

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Solution

The fourth proportional to 490,567.28, 677,496.88 and 338,002.16 is: 466,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,567.28 : 677,496.88 = 338,002.16 : x
  2. Step 2: Convert to fraction form
    490,567.28/677,496.88 = 338,002.16/x
  3. Step 3: Cross multiply
    490,567.28x = 677,496.88 × 338,002.16
  4. Step 4: Simplify right side
    490,567.28x = 228,995,408,833.26
  5. Step 5: Solve for x
    x = 228,995,408,833.26/490,567.28
  6. Step 6: Final answer
    x = 466,797.15

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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.