Home / 658,618.24-908,887.46-356,811.52

Finding the Fourth Proportional to 658,618.24, 908,887.46 and 356,811.52

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Solution

The fourth proportional to 658,618.24, 908,887.46 and 356,811.52 is: 492,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,618.24 : 908,887.46 = 356,811.52 : x
  2. Step 2: Convert to fraction form
    658,618.24/908,887.46 = 356,811.52/x
  3. Step 3: Cross multiply
    658,618.24x = 908,887.46 × 356,811.52
  4. Step 4: Simplify right side
    658,618.24x = 324,301,516,111.54
  5. Step 5: Solve for x
    x = 324,301,516,111.54/658,618.24
  6. Step 6: Final answer
    x = 492,396.80

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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.