Home / 804,528.08-1,206,922.80-272,081.60

Finding the Fourth Proportional to 804,528.08, 1,206,922.80 and 272,081.60

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Solution

The fourth proportional to 804,528.08, 1,206,922.80 and 272,081.60 is: 408,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,528.08 : 1,206,922.80 = 272,081.60 : x
  2. Step 2: Convert to fraction form
    804,528.08/1,206,922.80 = 272,081.60/x
  3. Step 3: Cross multiply
    804,528.08x = 1,206,922.80 × 272,081.60
  4. Step 4: Simplify right side
    804,528.08x = 328,381,486,500.48
  5. Step 5: Solve for x
    x = 328,381,486,500.48/804,528.08
  6. Step 6: Final answer
    x = 408,166.59

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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.