Home / 661,669.10-993,022.05-306,727.10

Finding the Fourth Proportional to 661,669.10, 993,022.05 and 306,727.10

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Solution

The fourth proportional to 661,669.10, 993,022.05 and 306,727.10 is: 460,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,669.10 : 993,022.05 = 306,727.10 : x
  2. Step 2: Convert to fraction form
    661,669.10/993,022.05 = 306,727.10/x
  3. Step 3: Cross multiply
    661,669.10x = 993,022.05 × 306,727.10
  4. Step 4: Simplify right side
    661,669.10x = 304,586,773,632.56
  5. Step 5: Solve for x
    x = 304,586,773,632.56/661,669.10
  6. Step 6: Final answer
    x = 460,330.96

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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.