Home / 753,561.71-1,130,353.19-221,093.73

Finding the Fourth Proportional to 753,561.71, 1,130,353.19 and 221,093.73

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Solution

The fourth proportional to 753,561.71, 1,130,353.19 and 221,093.73 is: 331,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,561.71 : 1,130,353.19 = 221,093.73 : x
  2. Step 2: Convert to fraction form
    753,561.71/1,130,353.19 = 221,093.73/x
  3. Step 3: Cross multiply
    753,561.71x = 1,130,353.19 × 221,093.73
  4. Step 4: Simplify right side
    753,561.71x = 249,914,003,547.23
  5. Step 5: Solve for x
    x = 249,914,003,547.23/753,561.71
  6. Step 6: Final answer
    x = 331,643.72

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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.