Home / 684,305.66-1,026,392.52-210,863.90

Finding the Fourth Proportional to 684,305.66, 1,026,392.52 and 210,863.90

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Solution

The fourth proportional to 684,305.66, 1,026,392.52 and 210,863.90 is: 316,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,305.66 : 1,026,392.52 = 210,863.90 : x
  2. Step 2: Convert to fraction form
    684,305.66/1,026,392.52 = 210,863.90/x
  3. Step 3: Cross multiply
    684,305.66x = 1,026,392.52 × 210,863.90
  4. Step 4: Simplify right side
    684,305.66x = 216,429,129,698.03
  5. Step 5: Solve for x
    x = 216,429,129,698.03/684,305.66
  6. Step 6: Final answer
    x = 316,275.52

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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.