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Finding the Fourth Proportional to 649,720.52, 974,647.62 and 245,253.41

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Solution

The fourth proportional to 649,720.52, 974,647.62 and 245,253.41 is: 367,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,720.52 : 974,647.62 = 245,253.41 : x
  2. Step 2: Convert to fraction form
    649,720.52/974,647.62 = 245,253.41/x
  3. Step 3: Cross multiply
    649,720.52x = 974,647.62 × 245,253.41
  4. Step 4: Simplify right side
    649,720.52x = 239,035,652,353.38
  5. Step 5: Solve for x
    x = 239,035,652,353.38/649,720.52
  6. Step 6: Final answer
    x = 367,905.35

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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.