Home / 628,181.38-942,377.14-493,239.98

Finding the Fourth Proportional to 628,181.38, 942,377.14 and 493,239.98

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Solution

The fourth proportional to 628,181.38, 942,377.14 and 493,239.98 is: 739,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,181.38 : 942,377.14 = 493,239.98 : x
  2. Step 2: Convert to fraction form
    628,181.38/942,377.14 = 493,239.98/x
  3. Step 3: Cross multiply
    628,181.38x = 942,377.14 × 493,239.98
  4. Step 4: Simplify right side
    628,181.38x = 464,818,084,042.00
  5. Step 5: Solve for x
    x = 464,818,084,042.00/628,181.38
  6. Step 6: Final answer
    x = 739,942.48

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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.