Home / 687,482.82-1,031,252.18-327,468.60

Finding the Fourth Proportional to 687,482.82, 1,031,252.18 and 327,468.60

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Solution

The fourth proportional to 687,482.82, 1,031,252.18 and 327,468.60 is: 491,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,482.82 : 1,031,252.18 = 327,468.60 : x
  2. Step 2: Convert to fraction form
    687,482.82/1,031,252.18 = 327,468.60/x
  3. Step 3: Cross multiply
    687,482.82x = 1,031,252.18 × 327,468.60
  4. Step 4: Simplify right side
    687,482.82x = 337,702,705,994.21
  5. Step 5: Solve for x
    x = 337,702,705,994.21/687,482.82
  6. Step 6: Final answer
    x = 491,216.21

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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.