Home / 579,433.29-799,654.86-324,784.50

Finding the Fourth Proportional to 579,433.29, 799,654.86 and 324,784.50

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Solution

The fourth proportional to 579,433.29, 799,654.86 and 324,784.50 is: 448,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,433.29 : 799,654.86 = 324,784.50 : x
  2. Step 2: Convert to fraction form
    579,433.29/799,654.86 = 324,784.50/x
  3. Step 3: Cross multiply
    579,433.29x = 799,654.86 × 324,784.50
  4. Step 4: Simplify right side
    579,433.29x = 259,715,503,877.67
  5. Step 5: Solve for x
    x = 259,715,503,877.67/579,433.29
  6. Step 6: Final answer
    x = 448,223.30

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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.