Home / 809,601.60-1,213,430.40-336,043.20

Finding the Fourth Proportional to 809,601.60, 1,213,430.40 and 336,043.20

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Solution

The fourth proportional to 809,601.60, 1,213,430.40 and 336,043.20 is: 503,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,601.60 : 1,213,430.40 = 336,043.20 : x
  2. Step 2: Convert to fraction form
    809,601.60/1,213,430.40 = 336,043.20/x
  3. Step 3: Cross multiply
    809,601.60x = 1,213,430.40 × 336,043.20
  4. Step 4: Simplify right side
    809,601.60x = 407,765,034,593.28
  5. Step 5: Solve for x
    x = 407,765,034,593.28/809,601.60
  6. Step 6: Final answer
    x = 503,661.35

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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.