Home / 454,811.20-682,778.40-286,331.20

Finding the Fourth Proportional to 454,811.20, 682,778.40 and 286,331.20

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Solution

The fourth proportional to 454,811.20, 682,778.40 and 286,331.20 is: 429,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,811.20 : 682,778.40 = 286,331.20 : x
  2. Step 2: Convert to fraction form
    454,811.20/682,778.40 = 286,331.20/x
  3. Step 3: Cross multiply
    454,811.20x = 682,778.40 × 286,331.20
  4. Step 4: Simplify right side
    454,811.20x = 195,500,758,606.08
  5. Step 5: Solve for x
    x = 195,500,758,606.08/454,811.20
  6. Step 6: Final answer
    x = 429,850.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.