Home / 579,349.97-869,264.16-312,796.59

Finding the Fourth Proportional to 579,349.97, 869,264.16 and 312,796.59

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Solution

The fourth proportional to 579,349.97, 869,264.16 and 312,796.59 is: 469,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,349.97 : 869,264.16 = 312,796.59 : x
  2. Step 2: Convert to fraction form
    579,349.97/869,264.16 = 312,796.59/x
  3. Step 3: Cross multiply
    579,349.97x = 869,264.16 × 312,796.59
  4. Step 4: Simplify right side
    579,349.97x = 271,902,860,624.49
  5. Step 5: Solve for x
    x = 271,902,860,624.49/579,349.97
  6. Step 6: Final answer
    x = 469,324.03

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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.