Home / 759,579.15-1,048,067.58-419,981.79

Finding the Fourth Proportional to 759,579.15, 1,048,067.58 and 419,981.79

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Solution

The fourth proportional to 759,579.15, 1,048,067.58 and 419,981.79 is: 579,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,579.15 : 1,048,067.58 = 419,981.79 : x
  2. Step 2: Convert to fraction form
    759,579.15/1,048,067.58 = 419,981.79/x
  3. Step 3: Cross multiply
    759,579.15x = 1,048,067.58 × 419,981.79
  4. Step 4: Simplify right side
    759,579.15x = 440,169,298,289.37
  5. Step 5: Solve for x
    x = 440,169,298,289.37/759,579.15
  6. Step 6: Final answer
    x = 579,491.02

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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.