Home / 905,930.50-1,250,261.85-503,600.26

Finding the Fourth Proportional to 905,930.50, 1,250,261.85 and 503,600.26

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Solution

The fourth proportional to 905,930.50, 1,250,261.85 and 503,600.26 is: 695,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,930.50 : 1,250,261.85 = 503,600.26 : x
  2. Step 2: Convert to fraction form
    905,930.50/1,250,261.85 = 503,600.26/x
  3. Step 3: Cross multiply
    905,930.50x = 1,250,261.85 × 503,600.26
  4. Step 4: Simplify right side
    905,930.50x = 629,632,192,728.08
  5. Step 5: Solve for x
    x = 629,632,192,728.08/905,930.50
  6. Step 6: Final answer
    x = 695,011.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.