Home / 720,022.40-1,080,033.60-221,386.40

Finding the Fourth Proportional to 720,022.40, 1,080,033.60 and 221,386.40

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Solution

The fourth proportional to 720,022.40, 1,080,033.60 and 221,386.40 is: 332,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,022.40 : 1,080,033.60 = 221,386.40 : x
  2. Step 2: Convert to fraction form
    720,022.40/1,080,033.60 = 221,386.40/x
  3. Step 3: Cross multiply
    720,022.40x = 1,080,033.60 × 221,386.40
  4. Step 4: Simplify right side
    720,022.40x = 239,104,750,583.04
  5. Step 5: Solve for x
    x = 239,104,750,583.04/720,022.40
  6. Step 6: Final answer
    x = 332,079.60

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Similar ratio
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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.