Home / 746,364.42-1,118,883.62-290,850.21

Finding the Fourth Proportional to 746,364.42, 1,118,883.62 and 290,850.21

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Solution

The fourth proportional to 746,364.42, 1,118,883.62 and 290,850.21 is: 436,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,364.42 : 1,118,883.62 = 290,850.21 : x
  2. Step 2: Convert to fraction form
    746,364.42/1,118,883.62 = 290,850.21/x
  3. Step 3: Cross multiply
    746,364.42x = 1,118,883.62 × 290,850.21
  4. Step 4: Simplify right side
    746,364.42x = 325,427,536,569.69
  5. Step 5: Solve for x
    x = 325,427,536,569.69/746,364.42
  6. Step 6: Final answer
    x = 436,016.95

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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.