Home / 999,280.80-1,498,182.48-518,818.77

Finding the Fourth Proportional to 999,280.80, 1,498,182.48 and 518,818.77

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Solution

The fourth proportional to 999,280.80, 1,498,182.48 and 518,818.77 is: 777,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,280.80 : 1,498,182.48 = 518,818.77 : x
  2. Step 2: Convert to fraction form
    999,280.80/1,498,182.48 = 518,818.77/x
  3. Step 3: Cross multiply
    999,280.80x = 1,498,182.48 × 518,818.77
  4. Step 4: Simplify right side
    999,280.80x = 777,285,191,509.15
  5. Step 5: Solve for x
    x = 777,285,191,509.15/999,280.80
  6. Step 6: Final answer
    x = 777,844.62

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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.