Home / 753,190.47-1,129,795.02-220,722.39

Finding the Fourth Proportional to 753,190.47, 1,129,795.02 and 220,722.39

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Solution

The fourth proportional to 753,190.47, 1,129,795.02 and 220,722.39 is: 331,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,190.47 : 1,129,795.02 = 220,722.39 : x
  2. Step 2: Convert to fraction form
    753,190.47/1,129,795.02 = 220,722.39/x
  3. Step 3: Cross multiply
    753,190.47x = 1,129,795.02 × 220,722.39
  4. Step 4: Simplify right side
    753,190.47x = 249,371,057,024.50
  5. Step 5: Solve for x
    x = 249,371,057,024.50/753,190.47
  6. Step 6: Final answer
    x = 331,086.31

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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.