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Finding the Fourth Proportional to 658,010.86, 908,022.48 and 367,564.81

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Solution

The fourth proportional to 658,010.86, 908,022.48 and 367,564.81 is: 507,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,010.86 : 908,022.48 = 367,564.81 : x
  2. Step 2: Convert to fraction form
    658,010.86/908,022.48 = 367,564.81/x
  3. Step 3: Cross multiply
    658,010.86x = 908,022.48 × 367,564.81
  4. Step 4: Simplify right side
    658,010.86x = 333,757,110,336.93
  5. Step 5: Solve for x
    x = 333,757,110,336.93/658,010.86
  6. Step 6: Final answer
    x = 507,221.28

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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.