Home / 684,422.95-1,026,291.78-211,046.80

Finding the Fourth Proportional to 684,422.95, 1,026,291.78 and 211,046.80

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Solution

The fourth proportional to 684,422.95, 1,026,291.78 and 211,046.80 is: 316,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,422.95 : 1,026,291.78 = 211,046.80 : x
  2. Step 2: Convert to fraction form
    684,422.95/1,026,291.78 = 211,046.80/x
  3. Step 3: Cross multiply
    684,422.95x = 1,026,291.78 × 211,046.80
  4. Step 4: Simplify right side
    684,422.95x = 216,595,596,035.30
  5. Step 5: Solve for x
    x = 216,595,596,035.30/684,422.95
  6. Step 6: Final answer
    x = 316,464.54

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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.