Home / 870,676.98-1,201,468.35-488,629.95

Finding the Fourth Proportional to 870,676.98, 1,201,468.35 and 488,629.95

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Solution

The fourth proportional to 870,676.98, 1,201,468.35 and 488,629.95 is: 674,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,676.98 : 1,201,468.35 = 488,629.95 : x
  2. Step 2: Convert to fraction form
    870,676.98/1,201,468.35 = 488,629.95/x
  3. Step 3: Cross multiply
    870,676.98x = 1,201,468.35 × 488,629.95
  4. Step 4: Simplify right side
    870,676.98x = 587,073,419,787.08
  5. Step 5: Solve for x
    x = 587,073,419,787.08/870,676.98
  6. Step 6: Final answer
    x = 674,272.36

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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.