Home / 722,521.72-1,079,388.10-467,726.50

Finding the Fourth Proportional to 722,521.72, 1,079,388.10 and 467,726.50

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Solution

The fourth proportional to 722,521.72, 1,079,388.10 and 467,726.50 is: 698,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,521.72 : 1,079,388.10 = 467,726.50 : x
  2. Step 2: Convert to fraction form
    722,521.72/1,079,388.10 = 467,726.50/x
  3. Step 3: Cross multiply
    722,521.72x = 1,079,388.10 × 467,726.50
  4. Step 4: Simplify right side
    722,521.72x = 504,858,421,404.02
  5. Step 5: Solve for x
    x = 504,858,421,404.02/722,521.72
  6. Step 6: Final answer
    x = 698,744.97

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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.