Home / 494,885.62-742,180.33-258,099.13

Finding the Fourth Proportional to 494,885.62, 742,180.33 and 258,099.13

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Solution

The fourth proportional to 494,885.62, 742,180.33 and 258,099.13 is: 387,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,885.62 : 742,180.33 = 258,099.13 : x
  2. Step 2: Convert to fraction form
    494,885.62/742,180.33 = 258,099.13/x
  3. Step 3: Cross multiply
    494,885.62x = 742,180.33 × 258,099.13
  4. Step 4: Simplify right side
    494,885.62x = 191,556,097,476.11
  5. Step 5: Solve for x
    x = 191,556,097,476.11/494,885.62
  6. Step 6: Final answer
    x = 387,071.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.