Home / 723,823.82-1,086,290-521,322.66

Finding the Fourth Proportional to 723,823.82, 1,086,290 and 521,322.66

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Solution

The fourth proportional to 723,823.82, 1,086,290 and 521,322.66 is: 782,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,823.82 : 1,086,290 = 521,322.66 : x
  2. Step 2: Convert to fraction form
    723,823.82/1,086,290 = 521,322.66/x
  3. Step 3: Cross multiply
    723,823.82x = 1,086,290 × 521,322.66
  4. Step 4: Simplify right side
    723,823.82x = 566,307,592,331.40
  5. Step 5: Solve for x
    x = 566,307,592,331.40/723,823.82
  6. Step 6: Final answer
    x = 782,383.19

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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.