Home / 769,235.50-1,061,542.36-425,061.84

Finding the Fourth Proportional to 769,235.50, 1,061,542.36 and 425,061.84

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Solution

The fourth proportional to 769,235.50, 1,061,542.36 and 425,061.84 is: 586,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,235.50 : 1,061,542.36 = 425,061.84 : x
  2. Step 2: Convert to fraction form
    769,235.50/1,061,542.36 = 425,061.84/x
  3. Step 3: Cross multiply
    769,235.50x = 1,061,542.36 × 425,061.84
  4. Step 4: Simplify right side
    769,235.50x = 451,221,148,779.54
  5. Step 5: Solve for x
    x = 451,221,148,779.54/769,235.50
  6. Step 6: Final answer
    x = 586,583.89

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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.