Home / 519,311.40-779,226.30-294,844.20

Finding the Fourth Proportional to 519,311.40, 779,226.30 and 294,844.20

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Solution

The fourth proportional to 519,311.40, 779,226.30 and 294,844.20 is: 442,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,311.40 : 779,226.30 = 294,844.20 : x
  2. Step 2: Convert to fraction form
    519,311.40/779,226.30 = 294,844.20/x
  3. Step 3: Cross multiply
    519,311.40x = 779,226.30 × 294,844.20
  4. Step 4: Simplify right side
    519,311.40x = 229,750,355,042.46
  5. Step 5: Solve for x
    x = 229,750,355,042.46/519,311.40
  6. Step 6: Final answer
    x = 442,413.46

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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.