Home / 631,979.32-947,776.20-332,297.32

Finding the Fourth Proportional to 631,979.32, 947,776.20 and 332,297.32

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Solution

The fourth proportional to 631,979.32, 947,776.20 and 332,297.32 is: 498,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,979.32 : 947,776.20 = 332,297.32 : x
  2. Step 2: Convert to fraction form
    631,979.32/947,776.20 = 332,297.32/x
  3. Step 3: Cross multiply
    631,979.32x = 947,776.20 × 332,297.32
  4. Step 4: Simplify right side
    631,979.32x = 314,943,491,219.78
  5. Step 5: Solve for x
    x = 314,943,491,219.78/631,979.32
  6. Step 6: Final answer
    x = 498,344.62

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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.