Home / 642,808.78-887,083.33-367,203.13

Finding the Fourth Proportional to 642,808.78, 887,083.33 and 367,203.13

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Solution

The fourth proportional to 642,808.78, 887,083.33 and 367,203.13 is: 506,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,808.78 : 887,083.33 = 367,203.13 : x
  2. Step 2: Convert to fraction form
    642,808.78/887,083.33 = 367,203.13/x
  3. Step 3: Cross multiply
    642,808.78x = 887,083.33 × 367,203.13
  4. Step 4: Simplify right side
    642,808.78x = 325,739,775,346.82
  5. Step 5: Solve for x
    x = 325,739,775,346.82/642,808.78
  6. Step 6: Final answer
    x = 506,744.44

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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.