Home / 851,563.50-1,175,103.99-488,732.00

Finding the Fourth Proportional to 851,563.50, 1,175,103.99 and 488,732.00

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Solution

The fourth proportional to 851,563.50, 1,175,103.99 and 488,732.00 is: 674,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,563.50 : 1,175,103.99 = 488,732.00 : x
  2. Step 2: Convert to fraction form
    851,563.50/1,175,103.99 = 488,732.00/x
  3. Step 3: Cross multiply
    851,563.50x = 1,175,103.99 × 488,732.00
  4. Step 4: Simplify right side
    851,563.50x = 574,310,917,365.16
  5. Step 5: Solve for x
    x = 574,310,917,365.16/851,563.50
  6. Step 6: Final answer
    x = 674,419.37

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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.