Home / 687,675.15-1,031,525.46-238,410.66

Finding the Fourth Proportional to 687,675.15, 1,031,525.46 and 238,410.66

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Solution

The fourth proportional to 687,675.15, 1,031,525.46 and 238,410.66 is: 357,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,675.15 : 1,031,525.46 = 238,410.66 : x
  2. Step 2: Convert to fraction form
    687,675.15/1,031,525.46 = 238,410.66/x
  3. Step 3: Cross multiply
    687,675.15x = 1,031,525.46 × 238,410.66
  4. Step 4: Simplify right side
    687,675.15x = 245,926,665,725.40
  5. Step 5: Solve for x
    x = 245,926,665,725.40/687,675.15
  6. Step 6: Final answer
    x = 357,620.41

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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.