Home / 851,618.04-1,175,193.36-488,786.54

Finding the Fourth Proportional to 851,618.04, 1,175,193.36 and 488,786.54

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Solution

The fourth proportional to 851,618.04, 1,175,193.36 and 488,786.54 is: 674,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,618.04 : 1,175,193.36 = 488,786.54 : x
  2. Step 2: Convert to fraction form
    851,618.04/1,175,193.36 = 488,786.54/x
  3. Step 3: Cross multiply
    851,618.04x = 1,175,193.36 × 488,786.54
  4. Step 4: Simplify right side
    851,618.04x = 574,418,690,389.41
  5. Step 5: Solve for x
    x = 574,418,690,389.41/851,618.04
  6. Step 6: Final answer
    x = 674,502.73

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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.