Home / 887,579.80-1,330,494.90-437,932.60

Finding the Fourth Proportional to 887,579.80, 1,330,494.90 and 437,932.60

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Solution

The fourth proportional to 887,579.80, 1,330,494.90 and 437,932.60 is: 656,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,579.80 : 1,330,494.90 = 437,932.60 : x
  2. Step 2: Convert to fraction form
    887,579.80/1,330,494.90 = 437,932.60/x
  3. Step 3: Cross multiply
    887,579.80x = 1,330,494.90 × 437,932.60
  4. Step 4: Simplify right side
    887,579.80x = 582,667,090,843.74
  5. Step 5: Solve for x
    x = 582,667,090,843.74/887,579.80
  6. Step 6: Final answer
    x = 656,467.27

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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.