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Finding the Fourth Proportional to 899,269.60, 1,348,515.60 and 449,816.80

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Solution

The fourth proportional to 899,269.60, 1,348,515.60 and 449,816.80 is: 674,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,269.60 : 1,348,515.60 = 449,816.80 : x
  2. Step 2: Convert to fraction form
    899,269.60/1,348,515.60 = 449,816.80/x
  3. Step 3: Cross multiply
    899,269.60x = 1,348,515.60 × 449,816.80
  4. Step 4: Simplify right side
    899,269.60x = 606,584,971,942.08
  5. Step 5: Solve for x
    x = 606,584,971,942.08/899,269.60
  6. Step 6: Final answer
    x = 674,530.72

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1.5x scale

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.