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Finding the Fourth Proportional to 658,610.93, 908,884.02 and 356,804.93

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Solution

The fourth proportional to 658,610.93, 908,884.02 and 356,804.93 is: 492,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,610.93 : 908,884.02 = 356,804.93 : x
  2. Step 2: Convert to fraction form
    658,610.93/908,884.02 = 356,804.93/x
  3. Step 3: Cross multiply
    658,610.93x = 908,884.02 × 356,804.93
  4. Step 4: Simplify right side
    658,610.93x = 324,294,299,134.22
  5. Step 5: Solve for x
    x = 324,294,299,134.22/658,610.93
  6. Step 6: Final answer
    x = 492,391.31

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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.