Home / 851,881.52-1,277,686.82-283,215.36

Finding the Fourth Proportional to 851,881.52, 1,277,686.82 and 283,215.36

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Solution

The fourth proportional to 851,881.52, 1,277,686.82 and 283,215.36 is: 424,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,881.52 : 1,277,686.82 = 283,215.36 : x
  2. Step 2: Convert to fraction form
    851,881.52/1,277,686.82 = 283,215.36/x
  3. Step 3: Cross multiply
    851,881.52x = 1,277,686.82 × 283,215.36
  4. Step 4: Simplify right side
    851,881.52x = 361,860,532,693.56
  5. Step 5: Solve for x
    x = 361,860,532,693.56/851,881.52
  6. Step 6: Final answer
    x = 424,778.01

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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.