Home / 887,004.80-1,330,507.20-782,028.80

Finding the Fourth Proportional to 887,004.80, 1,330,507.20 and 782,028.80

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Solution

The fourth proportional to 887,004.80, 1,330,507.20 and 782,028.80 is: 1,173,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,004.80 : 1,330,507.20 = 782,028.80 : x
  2. Step 2: Convert to fraction form
    887,004.80/1,330,507.20 = 782,028.80/x
  3. Step 3: Cross multiply
    887,004.80x = 1,330,507.20 × 782,028.80
  4. Step 4: Simplify right side
    887,004.80x = 1,040,494,949,007.36
  5. Step 5: Solve for x
    x = 1,040,494,949,007.36/887,004.80
  6. Step 6: Final answer
    x = 1,173,043.20

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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.