Home / 661,669.60-993,022.80-306,727.60

Finding the Fourth Proportional to 661,669.60, 993,022.80 and 306,727.60

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Solution

The fourth proportional to 661,669.60, 993,022.80 and 306,727.60 is: 460,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,669.60 : 993,022.80 = 306,727.60 : x
  2. Step 2: Convert to fraction form
    661,669.60/993,022.80 = 306,727.60/x
  3. Step 3: Cross multiply
    661,669.60x = 993,022.80 × 306,727.60
  4. Step 4: Simplify right side
    661,669.60x = 304,587,500,189.28
  5. Step 5: Solve for x
    x = 304,587,500,189.28/661,669.60
  6. Step 6: Final answer
    x = 460,331.71

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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.