Home / 548,819.36-823,376.82-282,434.72

Finding the Fourth Proportional to 548,819.36, 823,376.82 and 282,434.72

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Solution

The fourth proportional to 548,819.36, 823,376.82 and 282,434.72 is: 423,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,819.36 : 823,376.82 = 282,434.72 : x
  2. Step 2: Convert to fraction form
    548,819.36/823,376.82 = 282,434.72/x
  3. Step 3: Cross multiply
    548,819.36x = 823,376.82 × 282,434.72
  4. Step 4: Simplify right side
    548,819.36x = 232,550,201,611.19
  5. Step 5: Solve for x
    x = 232,550,201,611.19/548,819.36
  6. Step 6: Final answer
    x = 423,728.13

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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.