Home / 769,982.19-1,062,544.93-425,795.77

Finding the Fourth Proportional to 769,982.19, 1,062,544.93 and 425,795.77

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Solution

The fourth proportional to 769,982.19, 1,062,544.93 and 425,795.77 is: 587,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,982.19 : 1,062,544.93 = 425,795.77 : x
  2. Step 2: Convert to fraction form
    769,982.19/1,062,544.93 = 425,795.77/x
  3. Step 3: Cross multiply
    769,982.19x = 1,062,544.93 × 425,795.77
  4. Step 4: Simplify right side
    769,982.19x = 452,427,136,628.95
  5. Step 5: Solve for x
    x = 452,427,136,628.95/769,982.19
  6. Step 6: Final answer
    x = 587,581.30

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Double scale
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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.