Home / 753,262.67-1,129,903.20-220,794.47

Finding the Fourth Proportional to 753,262.67, 1,129,903.20 and 220,794.47

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Solution

The fourth proportional to 753,262.67, 1,129,903.20 and 220,794.47 is: 331,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,262.67 : 1,129,903.20 = 220,794.47 : x
  2. Step 2: Convert to fraction form
    753,262.67/1,129,903.20 = 220,794.47/x
  3. Step 3: Cross multiply
    753,262.67x = 1,129,903.20 × 220,794.47
  4. Step 4: Simplify right side
    753,262.67x = 249,476,372,545.79
  5. Step 5: Solve for x
    x = 249,476,372,545.79/753,262.67
  6. Step 6: Final answer
    x = 331,194.39

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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.