Home / 746,724.81-1,120,084.87-185,759.31

Finding the Fourth Proportional to 746,724.81, 1,120,084.87 and 185,759.31

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Solution

The fourth proportional to 746,724.81, 1,120,084.87 and 185,759.31 is: 278,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,724.81 : 1,120,084.87 = 185,759.31 : x
  2. Step 2: Convert to fraction form
    746,724.81/1,120,084.87 = 185,759.31/x
  3. Step 3: Cross multiply
    746,724.81x = 1,120,084.87 × 185,759.31
  4. Step 4: Simplify right side
    746,724.81x = 208,066,192,592.64
  5. Step 5: Solve for x
    x = 208,066,192,592.64/746,724.81
  6. Step 6: Final answer
    x = 278,638.38

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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.