Home / 687,391.74-1,030,841.46-237,991.86

Finding the Fourth Proportional to 687,391.74, 1,030,841.46 and 237,991.86

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Solution

The fourth proportional to 687,391.74, 1,030,841.46 and 237,991.86 is: 356,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,391.74 : 1,030,841.46 = 237,991.86 : x
  2. Step 2: Convert to fraction form
    687,391.74/1,030,841.46 = 237,991.86/x
  3. Step 3: Cross multiply
    687,391.74x = 1,030,841.46 × 237,991.86
  4. Step 4: Simplify right side
    687,391.74x = 245,331,876,430.52
  5. Step 5: Solve for x
    x = 245,331,876,430.52/687,391.74
  6. Step 6: Final answer
    x = 356,902.57

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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.