Home / 927,145.60-1,390,718.40-336,092.80

Finding the Fourth Proportional to 927,145.60, 1,390,718.40 and 336,092.80

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Solution

The fourth proportional to 927,145.60, 1,390,718.40 and 336,092.80 is: 504,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,145.60 : 1,390,718.40 = 336,092.80 : x
  2. Step 2: Convert to fraction form
    927,145.60/1,390,718.40 = 336,092.80/x
  3. Step 3: Cross multiply
    927,145.60x = 1,390,718.40 × 336,092.80
  4. Step 4: Simplify right side
    927,145.60x = 467,410,441,067.52
  5. Step 5: Solve for x
    x = 467,410,441,067.52/927,145.60
  6. Step 6: Final answer
    x = 504,139.20

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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.