Home / 769,288.14-1,061,615.03-425,114.51

Finding the Fourth Proportional to 769,288.14, 1,061,615.03 and 425,114.51

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Solution

The fourth proportional to 769,288.14, 1,061,615.03 and 425,114.51 is: 586,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,288.14 : 1,061,615.03 = 425,114.51 : x
  2. Step 2: Convert to fraction form
    769,288.14/1,061,615.03 = 425,114.51/x
  3. Step 3: Cross multiply
    769,288.14x = 1,061,615.03 × 425,114.51
  4. Step 4: Simplify right side
    769,288.14x = 451,307,945,853.44
  5. Step 5: Solve for x
    x = 451,307,945,853.44/769,288.14
  6. Step 6: Final answer
    x = 586,656.58

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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.