Home / 907,724.40-1,361,586.60-276,556.20

Finding the Fourth Proportional to 907,724.40, 1,361,586.60 and 276,556.20

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Solution

The fourth proportional to 907,724.40, 1,361,586.60 and 276,556.20 is: 414,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,724.40 : 1,361,586.60 = 276,556.20 : x
  2. Step 2: Convert to fraction form
    907,724.40/1,361,586.60 = 276,556.20/x
  3. Step 3: Cross multiply
    907,724.40x = 1,361,586.60 × 276,556.20
  4. Step 4: Simplify right side
    907,724.40x = 376,555,216,066.92
  5. Step 5: Solve for x
    x = 376,555,216,066.92/907,724.40
  6. Step 6: Final answer
    x = 414,834.30

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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.