Home / 519,949.58-779,426.14-220,017.56

Finding the Fourth Proportional to 519,949.58, 779,426.14 and 220,017.56

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Solution

The fourth proportional to 519,949.58, 779,426.14 and 220,017.56 is: 329,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,949.58 : 779,426.14 = 220,017.56 : x
  2. Step 2: Convert to fraction form
    519,949.58/779,426.14 = 220,017.56/x
  3. Step 3: Cross multiply
    519,949.58x = 779,426.14 × 220,017.56
  4. Step 4: Simplify right side
    519,949.58x = 171,487,438,921.54
  5. Step 5: Solve for x
    x = 171,487,438,921.54/519,949.58
  6. Step 6: Final answer
    x = 329,815.51

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1.5x scale

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.