Home / 769,418.87-1,061,764.98-425,237.01

Finding the Fourth Proportional to 769,418.87, 1,061,764.98 and 425,237.01

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Solution

The fourth proportional to 769,418.87, 1,061,764.98 and 425,237.01 is: 586,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,418.87 : 1,061,764.98 = 425,237.01 : x
  2. Step 2: Convert to fraction form
    769,418.87/1,061,764.98 = 425,237.01/x
  3. Step 3: Cross multiply
    769,418.87x = 1,061,764.98 × 425,237.01
  4. Step 4: Simplify right side
    769,418.87x = 451,501,772,388.23
  5. Step 5: Solve for x
    x = 451,501,772,388.23/769,418.87
  6. Step 6: Final answer
    x = 586,808.81

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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.