Home / 525,220.24-788,028.88-205,600.52

Finding the Fourth Proportional to 525,220.24, 788,028.88 and 205,600.52

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Solution

The fourth proportional to 525,220.24, 788,028.88 and 205,600.52 is: 308,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,220.24 : 788,028.88 = 205,600.52 : x
  2. Step 2: Convert to fraction form
    525,220.24/788,028.88 = 205,600.52/x
  3. Step 3: Cross multiply
    525,220.24x = 788,028.88 × 205,600.52
  4. Step 4: Simplify right side
    525,220.24x = 162,019,147,503.02
  5. Step 5: Solve for x
    x = 162,019,147,503.02/525,220.24
  6. Step 6: Final answer
    x = 308,478.49

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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.