Home / 753,239.04-1,129,858.20-192,273.36

Finding the Fourth Proportional to 753,239.04, 1,129,858.20 and 192,273.36

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Solution

The fourth proportional to 753,239.04, 1,129,858.20 and 192,273.36 is: 288,409.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,239.04 : 1,129,858.20 = 192,273.36 : x
  2. Step 2: Convert to fraction form
    753,239.04/1,129,858.20 = 192,273.36/x
  3. Step 3: Cross multiply
    753,239.04x = 1,129,858.20 × 192,273.36
  4. Step 4: Simplify right side
    753,239.04x = 217,241,632,437.55
  5. Step 5: Solve for x
    x = 217,241,632,437.55/753,239.04
  6. Step 6: Final answer
    x = 288,409.95

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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.