Home / 684,409.88-1,026,272.19-211,033.73

Finding the Fourth Proportional to 684,409.88, 1,026,272.19 and 211,033.73

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Solution

The fourth proportional to 684,409.88, 1,026,272.19 and 211,033.73 is: 316,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,409.88 : 1,026,272.19 = 211,033.73 : x
  2. Step 2: Convert to fraction form
    684,409.88/1,026,272.19 = 211,033.73/x
  3. Step 3: Cross multiply
    684,409.88x = 1,026,272.19 × 211,033.73
  4. Step 4: Simplify right side
    684,409.88x = 216,578,047,831.35
  5. Step 5: Solve for x
    x = 216,578,047,831.35/684,409.88
  6. Step 6: Final answer
    x = 316,444.95

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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.