Home / 727,284.64-1,090,990.16-221,959.52

Finding the Fourth Proportional to 727,284.64, 1,090,990.16 and 221,959.52

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Solution

The fourth proportional to 727,284.64, 1,090,990.16 and 221,959.52 is: 332,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,284.64 : 1,090,990.16 = 221,959.52 : x
  2. Step 2: Convert to fraction form
    727,284.64/1,090,990.16 = 221,959.52/x
  3. Step 3: Cross multiply
    727,284.64x = 1,090,990.16 × 221,959.52
  4. Step 4: Simplify right side
    727,284.64x = 242,155,652,238.32
  5. Step 5: Solve for x
    x = 242,155,652,238.32/727,284.64
  6. Step 6: Final answer
    x = 332,958.57

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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.