Home / 684,086.75-1,026,296.22-210,772.10

Finding the Fourth Proportional to 684,086.75, 1,026,296.22 and 210,772.10

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Solution

The fourth proportional to 684,086.75, 1,026,296.22 and 210,772.10 is: 316,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,086.75 : 1,026,296.22 = 210,772.10 : x
  2. Step 2: Convert to fraction form
    684,086.75/1,026,296.22 = 210,772.10/x
  3. Step 3: Cross multiply
    684,086.75x = 1,026,296.22 × 210,772.10
  4. Step 4: Simplify right side
    684,086.75x = 216,314,603,326.12
  5. Step 5: Solve for x
    x = 216,314,603,326.12/684,086.75
  6. Step 6: Final answer
    x = 316,209.32

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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.