Home / 684,756.72-1,026,578.52-285,694.83

Finding the Fourth Proportional to 684,756.72, 1,026,578.52 and 285,694.83

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Solution

The fourth proportional to 684,756.72, 1,026,578.52 and 285,694.83 is: 428,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,756.72 : 1,026,578.52 = 285,694.83 : x
  2. Step 2: Convert to fraction form
    684,756.72/1,026,578.52 = 285,694.83/x
  3. Step 3: Cross multiply
    684,756.72x = 1,026,578.52 × 285,694.83
  4. Step 4: Simplify right side
    684,756.72x = 293,288,175,753.05
  5. Step 5: Solve for x
    x = 293,288,175,753.05/684,756.72
  6. Step 6: Final answer
    x = 428,310.04

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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.