Home / 879,876.77-1,214,229.94-477,468.77

Finding the Fourth Proportional to 879,876.77, 1,214,229.94 and 477,468.77

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Solution

The fourth proportional to 879,876.77, 1,214,229.94 and 477,468.77 is: 658,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,876.77 : 1,214,229.94 = 477,468.77 : x
  2. Step 2: Convert to fraction form
    879,876.77/1,214,229.94 = 477,468.77/x
  3. Step 3: Cross multiply
    879,876.77x = 1,214,229.94 × 477,468.77
  4. Step 4: Simplify right side
    879,876.77x = 579,756,875,948.97
  5. Step 5: Solve for x
    x = 579,756,875,948.97/879,876.77
  6. Step 6: Final answer
    x = 658,906.90

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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.