Home / 880,043.88-1,320,054.68-280,997.44

Finding the Fourth Proportional to 880,043.88, 1,320,054.68 and 280,997.44

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Solution

The fourth proportional to 880,043.88, 1,320,054.68 and 280,997.44 is: 421,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,043.88 : 1,320,054.68 = 280,997.44 : x
  2. Step 2: Convert to fraction form
    880,043.88/1,320,054.68 = 280,997.44/x
  3. Step 3: Cross multiply
    880,043.88x = 1,320,054.68 × 280,997.44
  4. Step 4: Simplify right side
    880,043.88x = 370,931,985,740.02
  5. Step 5: Solve for x
    x = 370,931,985,740.02/880,043.88
  6. Step 6: Final answer
    x = 421,492.60

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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.