Home / 510,455.22-704,415.76-281,010.64

Finding the Fourth Proportional to 510,455.22, 704,415.76 and 281,010.64

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Solution

The fourth proportional to 510,455.22, 704,415.76 and 281,010.64 is: 387,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,455.22 : 704,415.76 = 281,010.64 : x
  2. Step 2: Convert to fraction form
    510,455.22/704,415.76 = 281,010.64/x
  3. Step 3: Cross multiply
    510,455.22x = 704,415.76 × 281,010.64
  4. Step 4: Simplify right side
    510,455.22x = 197,948,323,543.69
  5. Step 5: Solve for x
    x = 197,948,323,543.69/510,455.22
  6. Step 6: Final answer
    x = 387,787.83

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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.