Home / 722,520.69-1,079,386.57-467,725.47

Finding the Fourth Proportional to 722,520.69, 1,079,386.57 and 467,725.47

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Solution

The fourth proportional to 722,520.69, 1,079,386.57 and 467,725.47 is: 698,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,520.69 : 1,079,386.57 = 467,725.47 : x
  2. Step 2: Convert to fraction form
    722,520.69/1,079,386.57 = 467,725.47/x
  3. Step 3: Cross multiply
    722,520.69x = 1,079,386.57 × 467,725.47
  4. Step 4: Simplify right side
    722,520.69x = 504,856,589,595.62
  5. Step 5: Solve for x
    x = 504,856,589,595.62/722,520.69
  6. Step 6: Final answer
    x = 698,743.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.