Home / 753,699.52-1,130,447.22-221,121.28

Finding the Fourth Proportional to 753,699.52, 1,130,447.22 and 221,121.28

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Solution

The fourth proportional to 753,699.52, 1,130,447.22 and 221,121.28 is: 331,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,699.52 : 1,130,447.22 = 221,121.28 : x
  2. Step 2: Convert to fraction form
    753,699.52/1,130,447.22 = 221,121.28/x
  3. Step 3: Cross multiply
    753,699.52x = 1,130,447.22 × 221,121.28
  4. Step 4: Simplify right side
    753,699.52x = 249,965,936,258.84
  5. Step 5: Solve for x
    x = 249,965,936,258.84/753,699.52
  6. Step 6: Final answer
    x = 331,651.98

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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.