Home / 525,625.18-788,936.24-325,339.72

Finding the Fourth Proportional to 525,625.18, 788,936.24 and 325,339.72

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Solution

The fourth proportional to 525,625.18, 788,936.24 and 325,339.72 is: 488,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,625.18 : 788,936.24 = 325,339.72 : x
  2. Step 2: Convert to fraction form
    525,625.18/788,936.24 = 325,339.72/x
  3. Step 3: Cross multiply
    525,625.18x = 788,936.24 × 325,339.72
  4. Step 4: Simplify right side
    525,625.18x = 256,672,295,419.45
  5. Step 5: Solve for x
    x = 256,672,295,419.45/525,625.18
  6. Step 6: Final answer
    x = 488,318.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.