Home / 722,407.52-1,083,611.76-424,961.44

Finding the Fourth Proportional to 722,407.52, 1,083,611.76 and 424,961.44

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Solution

The fourth proportional to 722,407.52, 1,083,611.76 and 424,961.44 is: 637,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,407.52 : 1,083,611.76 = 424,961.44 : x
  2. Step 2: Convert to fraction form
    722,407.52/1,083,611.76 = 424,961.44/x
  3. Step 3: Cross multiply
    722,407.52x = 1,083,611.76 × 424,961.44
  4. Step 4: Simplify right side
    722,407.52x = 460,493,213,930.53
  5. Step 5: Solve for x
    x = 460,493,213,930.53/722,407.52
  6. Step 6: Final answer
    x = 637,442.44

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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.