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Finding the Fourth Proportional to 508,446.08, 701,653.65 and 279,007.20

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Solution

The fourth proportional to 508,446.08, 701,653.65 and 279,007.20 is: 385,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,446.08 : 701,653.65 = 279,007.20 : x
  2. Step 2: Convert to fraction form
    508,446.08/701,653.65 = 279,007.20/x
  3. Step 3: Cross multiply
    508,446.08x = 701,653.65 × 279,007.20
  4. Step 4: Simplify right side
    508,446.08x = 195,766,420,256.28
  5. Step 5: Solve for x
    x = 195,766,420,256.28/508,446.08
  6. Step 6: Final answer
    x = 385,028.88

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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.