Home / 525,043.56-787,985.73-272,396.46

Finding the Fourth Proportional to 525,043.56, 787,985.73 and 272,396.46

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Solution

The fourth proportional to 525,043.56, 787,985.73 and 272,396.46 is: 408,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,043.56 : 787,985.73 = 272,396.46 : x
  2. Step 2: Convert to fraction form
    525,043.56/787,985.73 = 272,396.46/x
  3. Step 3: Cross multiply
    525,043.56x = 787,985.73 × 272,396.46
  4. Step 4: Simplify right side
    525,043.56x = 214,644,523,382.52
  5. Step 5: Solve for x
    x = 214,644,523,382.52/525,043.56
  6. Step 6: Final answer
    x = 408,812.79

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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.