Home / 685,782.40-1,028,673.60-242,550.40

Finding the Fourth Proportional to 685,782.40, 1,028,673.60 and 242,550.40

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Solution

The fourth proportional to 685,782.40, 1,028,673.60 and 242,550.40 is: 363,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,782.40 : 1,028,673.60 = 242,550.40 : x
  2. Step 2: Convert to fraction form
    685,782.40/1,028,673.60 = 242,550.40/x
  3. Step 3: Cross multiply
    685,782.40x = 1,028,673.60 × 242,550.40
  4. Step 4: Simplify right side
    685,782.40x = 249,505,193,149.44
  5. Step 5: Solve for x
    x = 249,505,193,149.44/685,782.40
  6. Step 6: Final answer
    x = 363,825.60

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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.