Home / 687,367.44-1,031,068.44-188,730

Finding the Fourth Proportional to 687,367.44, 1,031,068.44 and 188,730

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Solution

The fourth proportional to 687,367.44, 1,031,068.44 and 188,730 is: 283,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,367.44 : 1,031,068.44 = 188,730 : x
  2. Step 2: Convert to fraction form
    687,367.44/1,031,068.44 = 188,730/x
  3. Step 3: Cross multiply
    687,367.44x = 1,031,068.44 × 188,730
  4. Step 4: Simplify right side
    687,367.44x = 194,593,546,681.20
  5. Step 5: Solve for x
    x = 194,593,546,681.20/687,367.44
  6. Step 6: Final answer
    x = 283,099.74

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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.