Home / 676,208.22-933,167.73-421,560.42

Finding the Fourth Proportional to 676,208.22, 933,167.73 and 421,560.42

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Solution

The fourth proportional to 676,208.22, 933,167.73 and 421,560.42 is: 581,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,208.22 : 933,167.73 = 421,560.42 : x
  2. Step 2: Convert to fraction form
    676,208.22/933,167.73 = 421,560.42/x
  3. Step 3: Cross multiply
    676,208.22x = 933,167.73 × 421,560.42
  4. Step 4: Simplify right side
    676,208.22x = 393,386,580,189.25
  5. Step 5: Solve for x
    x = 393,386,580,189.25/676,208.22
  6. Step 6: Final answer
    x = 581,753.62

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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.