Home / 893,812.98-1,338,924.39-413,367.36

Finding the Fourth Proportional to 893,812.98, 1,338,924.39 and 413,367.36

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Solution

The fourth proportional to 893,812.98, 1,338,924.39 and 413,367.36 is: 619,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,812.98 : 1,338,924.39 = 413,367.36 : x
  2. Step 2: Convert to fraction form
    893,812.98/1,338,924.39 = 413,367.36/x
  3. Step 3: Cross multiply
    893,812.98x = 1,338,924.39 × 413,367.36
  4. Step 4: Simplify right side
    893,812.98x = 553,467,640,333.91
  5. Step 5: Solve for x
    x = 553,467,640,333.91/893,812.98
  6. Step 6: Final answer
    x = 619,220.86

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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.