Home / 752,968.90-1,129,370.73-220,495.24

Finding the Fourth Proportional to 752,968.90, 1,129,370.73 and 220,495.24

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Solution

The fourth proportional to 752,968.90, 1,129,370.73 and 220,495.24 is: 330,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,968.90 : 1,129,370.73 = 220,495.24 : x
  2. Step 2: Convert to fraction form
    752,968.90/1,129,370.73 = 220,495.24/x
  3. Step 3: Cross multiply
    752,968.90x = 1,129,370.73 × 220,495.24
  4. Step 4: Simplify right side
    752,968.90x = 249,020,870,160.33
  5. Step 5: Solve for x
    x = 249,020,870,160.33/752,968.90
  6. Step 6: Final answer
    x = 330,718.67

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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.