Home / 494,006.08-681,719.50-279,141.52

Finding the Fourth Proportional to 494,006.08, 681,719.50 and 279,141.52

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Solution

The fourth proportional to 494,006.08, 681,719.50 and 279,141.52 is: 385,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,006.08 : 681,719.50 = 279,141.52 : x
  2. Step 2: Convert to fraction form
    494,006.08/681,719.50 = 279,141.52/x
  3. Step 3: Cross multiply
    494,006.08x = 681,719.50 × 279,141.52
  4. Step 4: Simplify right side
    494,006.08x = 190,296,217,443.64
  5. Step 5: Solve for x
    x = 190,296,217,443.64/494,006.08
  6. Step 6: Final answer
    x = 385,210.27

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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.