Home / 687,773.96-1,031,688.84-175,452.56

Finding the Fourth Proportional to 687,773.96, 1,031,688.84 and 175,452.56

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Solution

The fourth proportional to 687,773.96, 1,031,688.84 and 175,452.56 is: 263,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,773.96 : 1,031,688.84 = 175,452.56 : x
  2. Step 2: Convert to fraction form
    687,773.96/1,031,688.84 = 175,452.56/x
  3. Step 3: Cross multiply
    687,773.96x = 1,031,688.84 × 175,452.56
  4. Step 4: Simplify right side
    687,773.96x = 181,012,448,101.43
  5. Step 5: Solve for x
    x = 181,012,448,101.43/687,773.96
  6. Step 6: Final answer
    x = 263,185.96

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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.