Home / 825,720.70-1,140,005.52-550,466.23

Finding the Fourth Proportional to 825,720.70, 1,140,005.52 and 550,466.23

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Solution

The fourth proportional to 825,720.70, 1,140,005.52 and 550,466.23 is: 759,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,720.70 : 1,140,005.52 = 550,466.23 : x
  2. Step 2: Convert to fraction form
    825,720.70/1,140,005.52 = 550,466.23/x
  3. Step 3: Cross multiply
    825,720.70x = 1,140,005.52 × 550,466.23
  4. Step 4: Simplify right side
    825,720.70x = 627,534,540,773.59
  5. Step 5: Solve for x
    x = 627,534,540,773.59/825,720.70
  6. Step 6: Final answer
    x = 759,984.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.