Home / 769,269.48-1,061,538.78-425,102.16

Finding the Fourth Proportional to 769,269.48, 1,061,538.78 and 425,102.16

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Solution

The fourth proportional to 769,269.48, 1,061,538.78 and 425,102.16 is: 586,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,269.48 : 1,061,538.78 = 425,102.16 : x
  2. Step 2: Convert to fraction form
    769,269.48/1,061,538.78 = 425,102.16/x
  3. Step 3: Cross multiply
    769,269.48x = 1,061,538.78 × 425,102.16
  4. Step 4: Simplify right side
    769,269.48x = 451,262,428,301.77
  5. Step 5: Solve for x
    x = 451,262,428,301.77/769,269.48
  6. Step 6: Final answer
    x = 586,611.64

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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.