Home / 839,908.24-1,258,971.15-412,841.81

Finding the Fourth Proportional to 839,908.24, 1,258,971.15 and 412,841.81

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Solution

The fourth proportional to 839,908.24, 1,258,971.15 and 412,841.81 is: 618,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,908.24 : 1,258,971.15 = 412,841.81 : x
  2. Step 2: Convert to fraction form
    839,908.24/1,258,971.15 = 412,841.81/x
  3. Step 3: Cross multiply
    839,908.24x = 1,258,971.15 × 412,841.81
  4. Step 4: Simplify right side
    839,908.24x = 519,755,932,999.37
  5. Step 5: Solve for x
    x = 519,755,932,999.37/839,908.24
  6. Step 6: Final answer
    x = 618,824.66

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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.