Home / 726,997.86-1,090,418.94-253,692.18

Finding the Fourth Proportional to 726,997.86, 1,090,418.94 and 253,692.18

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Solution

The fourth proportional to 726,997.86, 1,090,418.94 and 253,692.18 is: 380,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,997.86 : 1,090,418.94 = 253,692.18 : x
  2. Step 2: Convert to fraction form
    726,997.86/1,090,418.94 = 253,692.18/x
  3. Step 3: Cross multiply
    726,997.86x = 1,090,418.94 × 253,692.18
  4. Step 4: Simplify right side
    726,997.86x = 276,630,758,001.89
  5. Step 5: Solve for x
    x = 276,630,758,001.89/726,997.86
  6. Step 6: Final answer
    x = 380,511.10

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1.5x scale

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.