Home / 758,683.40-1,137,879.30-226,221.80

Finding the Fourth Proportional to 758,683.40, 1,137,879.30 and 226,221.80

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Solution

The fourth proportional to 758,683.40, 1,137,879.30 and 226,221.80 is: 339,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,683.40 : 1,137,879.30 = 226,221.80 : x
  2. Step 2: Convert to fraction form
    758,683.40/1,137,879.30 = 226,221.80/x
  3. Step 3: Cross multiply
    758,683.40x = 1,137,879.30 × 226,221.80
  4. Step 4: Simplify right side
    758,683.40x = 257,413,103,428.74
  5. Step 5: Solve for x
    x = 257,413,103,428.74/758,683.40
  6. Step 6: Final answer
    x = 339,289.23

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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.