Home / 658,922.82-909,305.37-357,110.34

Finding the Fourth Proportional to 658,922.82, 909,305.37 and 357,110.34

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Solution

The fourth proportional to 658,922.82, 909,305.37 and 357,110.34 is: 492,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,922.82 : 909,305.37 = 357,110.34 : x
  2. Step 2: Convert to fraction form
    658,922.82/909,305.37 = 357,110.34/x
  3. Step 3: Cross multiply
    658,922.82x = 909,305.37 × 357,110.34
  4. Step 4: Simplify right side
    658,922.82x = 324,722,349,844.53
  5. Step 5: Solve for x
    x = 324,722,349,844.53/658,922.82
  6. Step 6: Final answer
    x = 492,807.87

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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.