Home / 808,842.64-1,204,961.28-772,450.96

Finding the Fourth Proportional to 808,842.64, 1,204,961.28 and 772,450.96

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Solution

The fourth proportional to 808,842.64, 1,204,961.28 and 772,450.96 is: 1,150,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,842.64 : 1,204,961.28 = 772,450.96 : x
  2. Step 2: Convert to fraction form
    808,842.64/1,204,961.28 = 772,450.96/x
  3. Step 3: Cross multiply
    808,842.64x = 1,204,961.28 × 772,450.96
  4. Step 4: Simplify right side
    808,842.64x = 930,773,497,498.83
  5. Step 5: Solve for x
    x = 930,773,497,498.83/808,842.64
  6. Step 6: Final answer
    x = 1,150,747.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.