Home / 752,210.80-1,128,367.40-219,730.80

Finding the Fourth Proportional to 752,210.80, 1,128,367.40 and 219,730.80

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Solution

The fourth proportional to 752,210.80, 1,128,367.40 and 219,730.80 is: 329,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,210.80 : 1,128,367.40 = 219,730.80 : x
  2. Step 2: Convert to fraction form
    752,210.80/1,128,367.40 = 219,730.80/x
  3. Step 3: Cross multiply
    752,210.80x = 1,128,367.40 × 219,730.80
  4. Step 4: Simplify right side
    752,210.80x = 247,937,071,495.92
  5. Step 5: Solve for x
    x = 247,937,071,495.92/752,210.80
  6. Step 6: Final answer
    x = 329,611.16

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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.