Home / 808,973.30-1,213,459.96-759,109.70

Finding the Fourth Proportional to 808,973.30, 1,213,459.96 and 759,109.70

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Solution

The fourth proportional to 808,973.30, 1,213,459.96 and 759,109.70 is: 1,138,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,973.30 : 1,213,459.96 = 759,109.70 : x
  2. Step 2: Convert to fraction form
    808,973.30/1,213,459.96 = 759,109.70/x
  3. Step 3: Cross multiply
    808,973.30x = 1,213,459.96 × 759,109.70
  4. Step 4: Simplify right side
    808,973.30x = 921,149,226,197.61
  5. Step 5: Solve for x
    x = 921,149,226,197.61/808,973.30
  6. Step 6: Final answer
    x = 1,138,664.56

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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.