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Finding the Fourth Proportional to 899,297.60, 1,348,557.60 and 449,844.80

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Solution

The fourth proportional to 899,297.60, 1,348,557.60 and 449,844.80 is: 674,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,297.60 : 1,348,557.60 = 449,844.80 : x
  2. Step 2: Convert to fraction form
    899,297.60/1,348,557.60 = 449,844.80/x
  3. Step 3: Cross multiply
    899,297.60x = 1,348,557.60 × 449,844.80
  4. Step 4: Simplify right side
    899,297.60x = 606,641,623,860.48
  5. Step 5: Solve for x
    x = 606,641,623,860.48/899,297.60
  6. Step 6: Final answer
    x = 674,572.72

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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.