Home / 676,556.91-1,014,101.82-338,783.28

Finding the Fourth Proportional to 676,556.91, 1,014,101.82 and 338,783.28

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Solution

The fourth proportional to 676,556.91, 1,014,101.82 and 338,783.28 is: 507,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,556.91 : 1,014,101.82 = 338,783.28 : x
  2. Step 2: Convert to fraction form
    676,556.91/1,014,101.82 = 338,783.28/x
  3. Step 3: Cross multiply
    676,556.91x = 1,014,101.82 × 338,783.28
  4. Step 4: Simplify right side
    676,556.91x = 343,560,740,833.57
  5. Step 5: Solve for x
    x = 343,560,740,833.57/676,556.91
  6. Step 6: Final answer
    x = 507,807.60

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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.