Home / 950,203.80-1,426,112.10-389,640.60

Finding the Fourth Proportional to 950,203.80, 1,426,112.10 and 389,640.60

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Solution

The fourth proportional to 950,203.80, 1,426,112.10 and 389,640.60 is: 584,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,203.80 : 1,426,112.10 = 389,640.60 : x
  2. Step 2: Convert to fraction form
    950,203.80/1,426,112.10 = 389,640.60/x
  3. Step 3: Cross multiply
    950,203.80x = 1,426,112.10 × 389,640.60
  4. Step 4: Simplify right side
    950,203.80x = 555,671,174,311.26
  5. Step 5: Solve for x
    x = 555,671,174,311.26/950,203.80
  6. Step 6: Final answer
    x = 584,791.57

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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.