Home / 846,280.20-1,268,611.20-313,658.40

Finding the Fourth Proportional to 846,280.20, 1,268,611.20 and 313,658.40

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Solution

The fourth proportional to 846,280.20, 1,268,611.20 and 313,658.40 is: 470,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,280.20 : 1,268,611.20 = 313,658.40 : x
  2. Step 2: Convert to fraction form
    846,280.20/1,268,611.20 = 313,658.40/x
  3. Step 3: Cross multiply
    846,280.20x = 1,268,611.20 × 313,658.40
  4. Step 4: Simplify right side
    846,280.20x = 397,910,559,214.08
  5. Step 5: Solve for x
    x = 397,910,559,214.08/846,280.20
  6. Step 6: Final answer
    x = 470,187.72

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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.