Home / 389,932.80-584,389.60-282,224.83

Finding the Fourth Proportional to 389,932.80, 584,389.60 and 282,224.83

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Solution

The fourth proportional to 389,932.80, 584,389.60 and 282,224.83 is: 422,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,932.80 : 584,389.60 = 282,224.83 : x
  2. Step 2: Convert to fraction form
    389,932.80/584,389.60 = 282,224.83/x
  3. Step 3: Cross multiply
    389,932.80x = 584,389.60 × 282,224.83
  4. Step 4: Simplify right side
    389,932.80x = 164,929,255,513.77
  5. Step 5: Solve for x
    x = 164,929,255,513.77/389,932.80
  6. Step 6: Final answer
    x = 422,968.41

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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.