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Finding the Fourth Proportional to 609,800.89, 915,539.24 and 310,482.60

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Solution

The fourth proportional to 609,800.89, 915,539.24 and 310,482.60 is: 466,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,800.89 : 915,539.24 = 310,482.60 : x
  2. Step 2: Convert to fraction form
    609,800.89/915,539.24 = 310,482.60/x
  3. Step 3: Cross multiply
    609,800.89x = 915,539.24 × 310,482.60
  4. Step 4: Simplify right side
    609,800.89x = 284,259,004,383.60
  5. Step 5: Solve for x
    x = 284,259,004,383.60/609,800.89
  6. Step 6: Final answer
    x = 466,150.52

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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.