Home / 684,078.08-1,026,251.52-210,682.88

Finding the Fourth Proportional to 684,078.08, 1,026,251.52 and 210,682.88

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Solution

The fourth proportional to 684,078.08, 1,026,251.52 and 210,682.88 is: 316,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,078.08 : 1,026,251.52 = 210,682.88 : x
  2. Step 2: Convert to fraction form
    684,078.08/1,026,251.52 = 210,682.88/x
  3. Step 3: Cross multiply
    684,078.08x = 1,026,251.52 × 210,682.88
  4. Step 4: Simplify right side
    684,078.08x = 216,213,625,837.98
  5. Step 5: Solve for x
    x = 216,213,625,837.98/684,078.08
  6. Step 6: Final answer
    x = 316,065.71

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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.