Home / 874,400.40-1,311,600.60-314,067.60

Finding the Fourth Proportional to 874,400.40, 1,311,600.60 and 314,067.60

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Solution

The fourth proportional to 874,400.40, 1,311,600.60 and 314,067.60 is: 471,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,400.40 : 1,311,600.60 = 314,067.60 : x
  2. Step 2: Convert to fraction form
    874,400.40/1,311,600.60 = 314,067.60/x
  3. Step 3: Cross multiply
    874,400.40x = 1,311,600.60 × 314,067.60
  4. Step 4: Simplify right side
    874,400.40x = 411,931,252,600.56
  5. Step 5: Solve for x
    x = 411,931,252,600.56/874,400.40
  6. Step 6: Final answer
    x = 471,101.40

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Similar ratio
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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.