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Finding the Fourth Proportional to 480,522.64, 663,010.96 and 286,892.60

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Solution

The fourth proportional to 480,522.64, 663,010.96 and 286,892.60 is: 395,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,522.64 : 663,010.96 = 286,892.60 : x
  2. Step 2: Convert to fraction form
    480,522.64/663,010.96 = 286,892.60/x
  3. Step 3: Cross multiply
    480,522.64x = 663,010.96 × 286,892.60
  4. Step 4: Simplify right side
    480,522.64x = 190,212,938,142.90
  5. Step 5: Solve for x
    x = 190,212,938,142.90/480,522.64
  6. Step 6: Final answer
    x = 395,845.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.