Home / 807,109.13-1,113,713.06-462,927.30

Finding the Fourth Proportional to 807,109.13, 1,113,713.06 and 462,927.30

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Solution

The fourth proportional to 807,109.13, 1,113,713.06 and 462,927.30 is: 638,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,109.13 : 1,113,713.06 = 462,927.30 : x
  2. Step 2: Convert to fraction form
    807,109.13/1,113,713.06 = 462,927.30/x
  3. Step 3: Cross multiply
    807,109.13x = 1,113,713.06 × 462,927.30
  4. Step 4: Simplify right side
    807,109.13x = 515,568,177,525.90
  5. Step 5: Solve for x
    x = 515,568,177,525.90/807,109.13
  6. Step 6: Final answer
    x = 638,783.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.