Home / 808,601.60-1,211,930.40-335,043.20

Finding the Fourth Proportional to 808,601.60, 1,211,930.40 and 335,043.20

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Solution

The fourth proportional to 808,601.60, 1,211,930.40 and 335,043.20 is: 502,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,601.60 : 1,211,930.40 = 335,043.20 : x
  2. Step 2: Convert to fraction form
    808,601.60/1,211,930.40 = 335,043.20/x
  3. Step 3: Cross multiply
    808,601.60x = 1,211,930.40 × 335,043.20
  4. Step 4: Simplify right side
    808,601.60x = 406,049,039,393.28
  5. Step 5: Solve for x
    x = 406,049,039,393.28/808,601.60
  6. Step 6: Final answer
    x = 502,162.05

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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.