Home / 728,237.50-1,004,556.15-455,832.52

Finding the Fourth Proportional to 728,237.50, 1,004,556.15 and 455,832.52

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Solution

The fourth proportional to 728,237.50, 1,004,556.15 and 455,832.52 is: 628,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,237.50 : 1,004,556.15 = 455,832.52 : x
  2. Step 2: Convert to fraction form
    728,237.50/1,004,556.15 = 455,832.52/x
  3. Step 3: Cross multiply
    728,237.50x = 1,004,556.15 × 455,832.52
  4. Step 4: Simplify right side
    728,237.50x = 457,909,361,336.00
  5. Step 5: Solve for x
    x = 457,909,361,336.00/728,237.50
  6. Step 6: Final answer
    x = 628,791.24

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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.