Home / 851,577.41-1,175,123.13-488,745.87

Finding the Fourth Proportional to 851,577.41, 1,175,123.13 and 488,745.87

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Solution

The fourth proportional to 851,577.41, 1,175,123.13 and 488,745.87 is: 674,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,577.41 : 1,175,123.13 = 488,745.87 : x
  2. Step 2: Convert to fraction form
    851,577.41/1,175,123.13 = 488,745.87/x
  3. Step 3: Cross multiply
    851,577.41x = 1,175,123.13 × 488,745.87
  4. Step 4: Simplify right side
    851,577.41x = 574,336,576,528.97
  5. Step 5: Solve for x
    x = 574,336,576,528.97/851,577.41
  6. Step 6: Final answer
    x = 674,438.49

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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.