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Finding the Fourth Proportional to 989,302.96, 1,483,980 and 269,650.60

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Solution

The fourth proportional to 989,302.96, 1,483,980 and 269,650.60 is: 404,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,302.96 : 1,483,980 = 269,650.60 : x
  2. Step 2: Convert to fraction form
    989,302.96/1,483,980 = 269,650.60/x
  3. Step 3: Cross multiply
    989,302.96x = 1,483,980 × 269,650.60
  4. Step 4: Simplify right side
    989,302.96x = 400,156,097,388.00
  5. Step 5: Solve for x
    x = 400,156,097,388.00/989,302.96
  6. Step 6: Final answer
    x = 404,482.87

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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.