Home / 684,964.30-1,027,686.34-211,649.66

Finding the Fourth Proportional to 684,964.30, 1,027,686.34 and 211,649.66

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Solution

The fourth proportional to 684,964.30, 1,027,686.34 and 211,649.66 is: 317,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,964.30 : 1,027,686.34 = 211,649.66 : x
  2. Step 2: Convert to fraction form
    684,964.30/1,027,686.34 = 211,649.66/x
  3. Step 3: Cross multiply
    684,964.30x = 1,027,686.34 × 211,649.66
  4. Step 4: Simplify right side
    684,964.30x = 217,509,462,237.07
  5. Step 5: Solve for x
    x = 217,509,462,237.07/684,964.30
  6. Step 6: Final answer
    x = 317,548.61

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1.5x scale

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.