Home / 890,334.20-1,229,086.68-508,287.08

Finding the Fourth Proportional to 890,334.20, 1,229,086.68 and 508,287.08

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Solution

The fourth proportional to 890,334.20, 1,229,086.68 and 508,287.08 is: 701,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,334.20 : 1,229,086.68 = 508,287.08 : x
  2. Step 2: Convert to fraction form
    890,334.20/1,229,086.68 = 508,287.08/x
  3. Step 3: Cross multiply
    890,334.20x = 1,229,086.68 × 508,287.08
  4. Step 4: Simplify right side
    890,334.20x = 624,728,879,644.09
  5. Step 5: Solve for x
    x = 624,728,879,644.09/890,334.20
  6. Step 6: Final answer
    x = 701,679.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.