Home / 769,814.86-1,062,269.61-425,603.66

Finding the Fourth Proportional to 769,814.86, 1,062,269.61 and 425,603.66

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Solution

The fourth proportional to 769,814.86, 1,062,269.61 and 425,603.66 is: 587,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,814.86 : 1,062,269.61 = 425,603.66 : x
  2. Step 2: Convert to fraction form
    769,814.86/1,062,269.61 = 425,603.66/x
  3. Step 3: Cross multiply
    769,814.86x = 1,062,269.61 × 425,603.66
  4. Step 4: Simplify right side
    769,814.86x = 452,105,830,998.92
  5. Step 5: Solve for x
    x = 452,105,830,998.92/769,814.86
  6. Step 6: Final answer
    x = 587,291.64

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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.