Home / 807,441.36-1,210,256.80-327,557.68

Finding the Fourth Proportional to 807,441.36, 1,210,256.80 and 327,557.68

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Solution

The fourth proportional to 807,441.36, 1,210,256.80 and 327,557.68 is: 490,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,441.36 : 1,210,256.80 = 327,557.68 : x
  2. Step 2: Convert to fraction form
    807,441.36/1,210,256.80 = 327,557.68/x
  3. Step 3: Cross multiply
    807,441.36x = 1,210,256.80 × 327,557.68
  4. Step 4: Simplify right side
    807,441.36x = 396,428,909,612.22
  5. Step 5: Solve for x
    x = 396,428,909,612.22/807,441.36
  6. Step 6: Final answer
    x = 490,969.29

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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.