Home / 943,282.60-1,414,923.90-312,260.20

Finding the Fourth Proportional to 943,282.60, 1,414,923.90 and 312,260.20

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Solution

The fourth proportional to 943,282.60, 1,414,923.90 and 312,260.20 is: 468,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,282.60 : 1,414,923.90 = 312,260.20 : x
  2. Step 2: Convert to fraction form
    943,282.60/1,414,923.90 = 312,260.20/x
  3. Step 3: Cross multiply
    943,282.60x = 1,414,923.90 × 312,260.20
  4. Step 4: Simplify right side
    943,282.60x = 441,824,419,998.78
  5. Step 5: Solve for x
    x = 441,824,419,998.78/943,282.60
  6. Step 6: Final answer
    x = 468,390.30

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Double scale
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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.