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Finding the Fourth Proportional to 466,265.20, 699,570.60 and 448,985.20

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Solution

The fourth proportional to 466,265.20, 699,570.60 and 448,985.20 is: 673,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,265.20 : 699,570.60 = 448,985.20 : x
  2. Step 2: Convert to fraction form
    466,265.20/699,570.60 = 448,985.20/x
  3. Step 3: Cross multiply
    466,265.20x = 699,570.60 × 448,985.20
  4. Step 4: Simplify right side
    466,265.20x = 314,096,845,755.12
  5. Step 5: Solve for x
    x = 314,096,845,755.12/466,265.20
  6. Step 6: Final answer
    x = 673,644.20

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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.