Home / 959,428.20-1,324,012.88-529,709.16

Finding the Fourth Proportional to 959,428.20, 1,324,012.88 and 529,709.16

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Solution

The fourth proportional to 959,428.20, 1,324,012.88 and 529,709.16 is: 730,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,428.20 : 1,324,012.88 = 529,709.16 : x
  2. Step 2: Convert to fraction form
    959,428.20/1,324,012.88 = 529,709.16/x
  3. Step 3: Cross multiply
    959,428.20x = 1,324,012.88 × 529,709.16
  4. Step 4: Simplify right side
    959,428.20x = 701,341,747,845.44
  5. Step 5: Solve for x
    x = 701,341,747,845.44/959,428.20
  6. Step 6: Final answer
    x = 730,999.72

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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.