Home / 684,422.46-1,026,291.04-211,046.30

Finding the Fourth Proportional to 684,422.46, 1,026,291.04 and 211,046.30

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Solution

The fourth proportional to 684,422.46, 1,026,291.04 and 211,046.30 is: 316,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,422.46 : 1,026,291.04 = 211,046.30 : x
  2. Step 2: Convert to fraction form
    684,422.46/1,026,291.04 = 211,046.30/x
  3. Step 3: Cross multiply
    684,422.46x = 1,026,291.04 × 211,046.30
  4. Step 4: Simplify right side
    684,422.46x = 216,594,926,715.15
  5. Step 5: Solve for x
    x = 216,594,926,715.15/684,422.46
  6. Step 6: Final answer
    x = 316,463.79

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Double scale
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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.