Home / 947,624.92-1,307,331.66-661,311.16

Finding the Fourth Proportional to 947,624.92, 1,307,331.66 and 661,311.16

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Solution

The fourth proportional to 947,624.92, 1,307,331.66 and 661,311.16 is: 912,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,624.92 : 1,307,331.66 = 661,311.16 : x
  2. Step 2: Convert to fraction form
    947,624.92/1,307,331.66 = 661,311.16/x
  3. Step 3: Cross multiply
    947,624.92x = 1,307,331.66 × 661,311.16
  4. Step 4: Simplify right side
    947,624.92x = 864,553,016,579.33
  5. Step 5: Solve for x
    x = 864,553,016,579.33/947,624.92
  6. Step 6: Final answer
    x = 912,336.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.