Home / 789,346.39-1,183,725.70-283,769.40

Finding the Fourth Proportional to 789,346.39, 1,183,725.70 and 283,769.40

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Solution

The fourth proportional to 789,346.39, 1,183,725.70 and 283,769.40 is: 425,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,346.39 : 1,183,725.70 = 283,769.40 : x
  2. Step 2: Convert to fraction form
    789,346.39/1,183,725.70 = 283,769.40/x
  3. Step 3: Cross multiply
    789,346.39x = 1,183,725.70 × 283,769.40
  4. Step 4: Simplify right side
    789,346.39x = 335,905,131,653.58
  5. Step 5: Solve for x
    x = 335,905,131,653.58/789,346.39
  6. Step 6: Final answer
    x = 425,548.45

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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.