Home / 822,228.30-1,233,475.42-253,476.32

Finding the Fourth Proportional to 822,228.30, 1,233,475.42 and 253,476.32

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Solution

The fourth proportional to 822,228.30, 1,233,475.42 and 253,476.32 is: 380,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,228.30 : 1,233,475.42 = 253,476.32 : x
  2. Step 2: Convert to fraction form
    822,228.30/1,233,475.42 = 253,476.32/x
  3. Step 3: Cross multiply
    822,228.30x = 1,233,475.42 × 253,476.32
  4. Step 4: Simplify right side
    822,228.30x = 312,656,810,272.05
  5. Step 5: Solve for x
    x = 312,656,810,272.05/822,228.30
  6. Step 6: Final answer
    x = 380,255.47

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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.