Home / 508,440.27-701,634.21-278,996.85

Finding the Fourth Proportional to 508,440.27, 701,634.21 and 278,996.85

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Solution

The fourth proportional to 508,440.27, 701,634.21 and 278,996.85 is: 385,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,440.27 : 701,634.21 = 278,996.85 : x
  2. Step 2: Convert to fraction form
    508,440.27/701,634.21 = 278,996.85/x
  3. Step 3: Cross multiply
    508,440.27x = 701,634.21 × 278,996.85
  4. Step 4: Simplify right side
    508,440.27x = 195,753,734,442.24
  5. Step 5: Solve for x
    x = 195,753,734,442.24/508,440.27
  6. Step 6: Final answer
    x = 385,008.32

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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.