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Finding the Fourth Proportional to 644,246.10, 967,353.30 and 494,655.30

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Solution

The fourth proportional to 644,246.10, 967,353.30 and 494,655.30 is: 742,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,246.10 : 967,353.30 = 494,655.30 : x
  2. Step 2: Convert to fraction form
    644,246.10/967,353.30 = 494,655.30/x
  3. Step 3: Cross multiply
    644,246.10x = 967,353.30 × 494,655.30
  4. Step 4: Simplify right side
    644,246.10x = 478,506,436,817.49
  5. Step 5: Solve for x
    x = 478,506,436,817.49/644,246.10
  6. Step 6: Final answer
    x = 742,738.59

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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.