Home / 525,447.76-787,774.56-221,935.90

Finding the Fourth Proportional to 525,447.76, 787,774.56 and 221,935.90

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Solution

The fourth proportional to 525,447.76, 787,774.56 and 221,935.90 is: 332,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,447.76 : 787,774.56 = 221,935.90 : x
  2. Step 2: Convert to fraction form
    525,447.76/787,774.56 = 221,935.90/x
  3. Step 3: Cross multiply
    525,447.76x = 787,774.56 × 221,935.90
  4. Step 4: Simplify right side
    525,447.76x = 174,835,455,894.48
  5. Step 5: Solve for x
    x = 174,835,455,894.48/525,447.76
  6. Step 6: Final answer
    x = 332,736.13

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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.