Home / 853,854.89-1,280,593.69-246,511.28

Finding the Fourth Proportional to 853,854.89, 1,280,593.69 and 246,511.28

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Solution

The fourth proportional to 853,854.89, 1,280,593.69 and 246,511.28 is: 369,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,854.89 : 1,280,593.69 = 246,511.28 : x
  2. Step 2: Convert to fraction form
    853,854.89/1,280,593.69 = 246,511.28/x
  3. Step 3: Cross multiply
    853,854.89x = 1,280,593.69 × 246,511.28
  4. Step 4: Simplify right side
    853,854.89x = 315,680,782,662.58
  5. Step 5: Solve for x
    x = 315,680,782,662.58/853,854.89
  6. Step 6: Final answer
    x = 369,712.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.