Home / 864,449.82-1,192,940.06-477,265.77

Finding the Fourth Proportional to 864,449.82, 1,192,940.06 and 477,265.77

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Solution

The fourth proportional to 864,449.82, 1,192,940.06 and 477,265.77 is: 658,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,449.82 : 1,192,940.06 = 477,265.77 : x
  2. Step 2: Convert to fraction form
    864,449.82/1,192,940.06 = 477,265.77/x
  3. Step 3: Cross multiply
    864,449.82x = 1,192,940.06 × 477,265.77
  4. Step 4: Simplify right side
    864,449.82x = 569,349,453,913.42
  5. Step 5: Solve for x
    x = 569,349,453,913.42/864,449.82
  6. Step 6: Final answer
    x = 658,626.38

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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.