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Finding the Fourth Proportional to 626,626.90, 940,335.63 and 266,797.54

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Solution

The fourth proportional to 626,626.90, 940,335.63 and 266,797.54 is: 400,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,626.90 : 940,335.63 = 266,797.54 : x
  2. Step 2: Convert to fraction form
    626,626.90/940,335.63 = 266,797.54/x
  3. Step 3: Cross multiply
    626,626.90x = 940,335.63 × 266,797.54
  4. Step 4: Simplify right side
    626,626.90x = 250,879,232,858.35
  5. Step 5: Solve for x
    x = 250,879,232,858.35/626,626.90
  6. Step 6: Final answer
    x = 400,364.61

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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.