Home / 628,428.78-942,521.49-244,176.96

Finding the Fourth Proportional to 628,428.78, 942,521.49 and 244,176.96

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Solution

The fourth proportional to 628,428.78, 942,521.49 and 244,176.96 is: 366,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,428.78 : 942,521.49 = 244,176.96 : x
  2. Step 2: Convert to fraction form
    628,428.78/942,521.49 = 244,176.96/x
  3. Step 3: Cross multiply
    628,428.78x = 942,521.49 × 244,176.96
  4. Step 4: Simplify right side
    628,428.78x = 230,142,032,162.87
  5. Step 5: Solve for x
    x = 230,142,032,162.87/628,428.78
  6. Step 6: Final answer
    x = 366,218.16

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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.