Home / 893,630.26-1,339,692.49-387,810.37

Finding the Fourth Proportional to 893,630.26, 1,339,692.49 and 387,810.37

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Solution

The fourth proportional to 893,630.26, 1,339,692.49 and 387,810.37 is: 581,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,630.26 : 1,339,692.49 = 387,810.37 : x
  2. Step 2: Convert to fraction form
    893,630.26/1,339,692.49 = 387,810.37/x
  3. Step 3: Cross multiply
    893,630.26x = 1,339,692.49 × 387,810.37
  4. Step 4: Simplify right side
    893,630.26x = 519,546,640,233.12
  5. Step 5: Solve for x
    x = 519,546,640,233.12/893,630.26
  6. Step 6: Final answer
    x = 581,388.82

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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.