Home / 855,122.90-1,180,051.41-467,936.77

Finding the Fourth Proportional to 855,122.90, 1,180,051.41 and 467,936.77

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Solution

The fourth proportional to 855,122.90, 1,180,051.41 and 467,936.77 is: 645,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,122.90 : 1,180,051.41 = 467,936.77 : x
  2. Step 2: Convert to fraction form
    855,122.90/1,180,051.41 = 467,936.77/x
  3. Step 3: Cross multiply
    855,122.90x = 1,180,051.41 × 467,936.77
  4. Step 4: Simplify right side
    855,122.90x = 552,189,445,229.35
  5. Step 5: Solve for x
    x = 552,189,445,229.35/855,122.90
  6. Step 6: Final answer
    x = 645,742.79

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1.5x scale

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.