Home / 993,976.80-1,490,965.20-362,911.20

Finding the Fourth Proportional to 993,976.80, 1,490,965.20 and 362,911.20

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Solution

The fourth proportional to 993,976.80, 1,490,965.20 and 362,911.20 is: 544,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,976.80 : 1,490,965.20 = 362,911.20 : x
  2. Step 2: Convert to fraction form
    993,976.80/1,490,965.20 = 362,911.20/x
  3. Step 3: Cross multiply
    993,976.80x = 1,490,965.20 × 362,911.20
  4. Step 4: Simplify right side
    993,976.80x = 541,087,969,890.24
  5. Step 5: Solve for x
    x = 541,087,969,890.24/993,976.80
  6. Step 6: Final answer
    x = 544,366.80

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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.