Home / 851,622.93-1,175,200.08-488,791.41

Finding the Fourth Proportional to 851,622.93, 1,175,200.08 and 488,791.41

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Solution

The fourth proportional to 851,622.93, 1,175,200.08 and 488,791.41 is: 674,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,622.93 : 1,175,200.08 = 488,791.41 : x
  2. Step 2: Convert to fraction form
    851,622.93/1,175,200.08 = 488,791.41/x
  3. Step 3: Cross multiply
    851,622.93x = 1,175,200.08 × 488,791.41
  4. Step 4: Simplify right side
    851,622.93x = 574,427,704,135.31
  5. Step 5: Solve for x
    x = 574,427,704,135.31/851,622.93
  6. Step 6: Final answer
    x = 674,509.44

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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.