Home / 879,876.85-1,214,230.05-477,468.85

Finding the Fourth Proportional to 879,876.85, 1,214,230.05 and 477,468.85

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Solution

The fourth proportional to 879,876.85, 1,214,230.05 and 477,468.85 is: 658,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,876.85 : 1,214,230.05 = 477,468.85 : x
  2. Step 2: Convert to fraction form
    879,876.85/1,214,230.05 = 477,468.85/x
  3. Step 3: Cross multiply
    879,876.85x = 1,214,230.05 × 477,468.85
  4. Step 4: Simplify right side
    879,876.85x = 579,757,025,608.94
  5. Step 5: Solve for x
    x = 579,757,025,608.94/879,876.85
  6. Step 6: Final answer
    x = 658,907.01

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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.