Home / 684,024.88-1,025,988.66-210,660.88

Finding the Fourth Proportional to 684,024.88, 1,025,988.66 and 210,660.88

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Solution

The fourth proportional to 684,024.88, 1,025,988.66 and 210,660.88 is: 315,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,024.88 : 1,025,988.66 = 210,660.88 : x
  2. Step 2: Convert to fraction form
    684,024.88/1,025,988.66 = 210,660.88/x
  3. Step 3: Cross multiply
    684,024.88x = 1,025,988.66 × 210,660.88
  4. Step 4: Simplify right side
    684,024.88x = 216,135,673,985.62
  5. Step 5: Solve for x
    x = 216,135,673,985.62/684,024.88
  6. Step 6: Final answer
    x = 315,976.33

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Double scale
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Similar ratio
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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.