Home / 683,979.39-1,025,944.38-210,652.65

Finding the Fourth Proportional to 683,979.39, 1,025,944.38 and 210,652.65

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Solution

The fourth proportional to 683,979.39, 1,025,944.38 and 210,652.65 is: 315,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,979.39 : 1,025,944.38 = 210,652.65 : x
  2. Step 2: Convert to fraction form
    683,979.39/1,025,944.38 = 210,652.65/x
  3. Step 3: Cross multiply
    683,979.39x = 1,025,944.38 × 210,652.65
  4. Step 4: Simplify right side
    683,979.39x = 216,117,902,399.61
  5. Step 5: Solve for x
    x = 216,117,902,399.61/683,979.39
  6. Step 6: Final answer
    x = 315,971.37

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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.