Home / 758,890.62-1,047,227.94-419,337

Finding the Fourth Proportional to 758,890.62, 1,047,227.94 and 419,337

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Solution

The fourth proportional to 758,890.62, 1,047,227.94 and 419,337 is: 578,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,890.62 : 1,047,227.94 = 419,337 : x
  2. Step 2: Convert to fraction form
    758,890.62/1,047,227.94 = 419,337/x
  3. Step 3: Cross multiply
    758,890.62x = 1,047,227.94 × 419,337
  4. Step 4: Simplify right side
    758,890.62x = 439,141,422,675.78
  5. Step 5: Solve for x
    x = 439,141,422,675.78/758,890.62
  6. Step 6: Final answer
    x = 578,662.34

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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.