Home / 519,232.20-779,053.10-203,635.40

Finding the Fourth Proportional to 519,232.20, 779,053.10 and 203,635.40

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Solution

The fourth proportional to 519,232.20, 779,053.10 and 203,635.40 is: 305,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,232.20 : 779,053.10 = 203,635.40 : x
  2. Step 2: Convert to fraction form
    519,232.20/779,053.10 = 203,635.40/x
  3. Step 3: Cross multiply
    519,232.20x = 779,053.10 × 203,635.40
  4. Step 4: Simplify right side
    519,232.20x = 158,642,789,639.74
  5. Step 5: Solve for x
    x = 158,642,789,639.74/519,232.20
  6. Step 6: Final answer
    x = 305,533.42

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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.