Home / 753,166.77-1,129,759.28-220,698.60

Finding the Fourth Proportional to 753,166.77, 1,129,759.28 and 220,698.60

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Solution

The fourth proportional to 753,166.77, 1,129,759.28 and 220,698.60 is: 331,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,166.77 : 1,129,759.28 = 220,698.60 : x
  2. Step 2: Convert to fraction form
    753,166.77/1,129,759.28 = 220,698.60/x
  3. Step 3: Cross multiply
    753,166.77x = 1,129,759.28 × 220,698.60
  4. Step 4: Simplify right side
    753,166.77x = 249,336,291,433.01
  5. Step 5: Solve for x
    x = 249,336,291,433.01/753,166.77
  6. Step 6: Final answer
    x = 331,050.57

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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.