Home / 578,333.45-865,991.12-465,396.77

Finding the Fourth Proportional to 578,333.45, 865,991.12 and 465,396.77

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Solution

The fourth proportional to 578,333.45, 865,991.12 and 465,396.77 is: 696,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,333.45 : 865,991.12 = 465,396.77 : x
  2. Step 2: Convert to fraction form
    578,333.45/865,991.12 = 465,396.77/x
  3. Step 3: Cross multiply
    578,333.45x = 865,991.12 × 465,396.77
  4. Step 4: Simplify right side
    578,333.45x = 403,029,469,934.68
  5. Step 5: Solve for x
    x = 403,029,469,934.68/578,333.45
  6. Step 6: Final answer
    x = 696,880.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.