Home / 687,423.48-1,030,889.22-238,023.69

Finding the Fourth Proportional to 687,423.48, 1,030,889.22 and 238,023.69

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Solution

The fourth proportional to 687,423.48, 1,030,889.22 and 238,023.69 is: 356,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,423.48 : 1,030,889.22 = 238,023.69 : x
  2. Step 2: Convert to fraction form
    687,423.48/1,030,889.22 = 238,023.69/x
  3. Step 3: Cross multiply
    687,423.48x = 1,030,889.22 × 238,023.69
  4. Step 4: Simplify right side
    687,423.48x = 245,376,056,125.62
  5. Step 5: Solve for x
    x = 245,376,056,125.62/687,423.48
  6. Step 6: Final answer
    x = 356,950.36

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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.