Home / 746,464.89-1,119,512.79-319,952.35

Finding the Fourth Proportional to 746,464.89, 1,119,512.79 and 319,952.35

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Solution

The fourth proportional to 746,464.89, 1,119,512.79 and 319,952.35 is: 479,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,464.89 : 1,119,512.79 = 319,952.35 : x
  2. Step 2: Convert to fraction form
    746,464.89/1,119,512.79 = 319,952.35/x
  3. Step 3: Cross multiply
    746,464.89x = 1,119,512.79 × 319,952.35
  4. Step 4: Simplify right side
    746,464.89x = 358,190,745,216.78
  5. Step 5: Solve for x
    x = 358,190,745,216.78/746,464.89
  6. Step 6: Final answer
    x = 479,849.42

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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.