Home / 494,148.84-681,932.96-290,204.07

Finding the Fourth Proportional to 494,148.84, 681,932.96 and 290,204.07

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Solution

The fourth proportional to 494,148.84, 681,932.96 and 290,204.07 is: 400,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,148.84 : 681,932.96 = 290,204.07 : x
  2. Step 2: Convert to fraction form
    494,148.84/681,932.96 = 290,204.07/x
  3. Step 3: Cross multiply
    494,148.84x = 681,932.96 × 290,204.07
  4. Step 4: Simplify right side
    494,148.84x = 197,899,715,598.46
  5. Step 5: Solve for x
    x = 197,899,715,598.46/494,148.84
  6. Step 6: Final answer
    x = 400,486.05

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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.