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Finding the Fourth Proportional to 494,669.70, 742,004.55 and 295,215.30

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Solution

The fourth proportional to 494,669.70, 742,004.55 and 295,215.30 is: 442,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,669.70 : 742,004.55 = 295,215.30 : x
  2. Step 2: Convert to fraction form
    494,669.70/742,004.55 = 295,215.30/x
  3. Step 3: Cross multiply
    494,669.70x = 742,004.55 × 295,215.30
  4. Step 4: Simplify right side
    494,669.70x = 219,051,095,829.62
  5. Step 5: Solve for x
    x = 219,051,095,829.62/494,669.70
  6. Step 6: Final answer
    x = 442,822.95

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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.