Home / 714,067.20-1,069,775.36-511,244.80

Finding the Fourth Proportional to 714,067.20, 1,069,775.36 and 511,244.80

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Solution

The fourth proportional to 714,067.20, 1,069,775.36 and 511,244.80 is: 765,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,067.20 : 1,069,775.36 = 511,244.80 : x
  2. Step 2: Convert to fraction form
    714,067.20/1,069,775.36 = 511,244.80/x
  3. Step 3: Cross multiply
    714,067.20x = 1,069,775.36 × 511,244.80
  4. Step 4: Simplify right side
    714,067.20x = 546,917,089,968.13
  5. Step 5: Solve for x
    x = 546,917,089,968.13/714,067.20
  6. Step 6: Final answer
    x = 765,918.24

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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.