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Finding the Fourth Proportional to 598,055.65, 825,301.81 and 326,128.78

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Solution

The fourth proportional to 598,055.65, 825,301.81 and 326,128.78 is: 450,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,055.65 : 825,301.81 = 326,128.78 : x
  2. Step 2: Convert to fraction form
    598,055.65/825,301.81 = 326,128.78/x
  3. Step 3: Cross multiply
    598,055.65x = 825,301.81 × 326,128.78
  4. Step 4: Simplify right side
    598,055.65x = 269,154,673,866.38
  5. Step 5: Solve for x
    x = 269,154,673,866.38/598,055.65
  6. Step 6: Final answer
    x = 450,049.54

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1.5x scale

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.