Home / 435,948.82-601,902.95-389,865.48

Finding the Fourth Proportional to 435,948.82, 601,902.95 and 389,865.48

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Solution

The fourth proportional to 435,948.82, 601,902.95 and 389,865.48 is: 538,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,948.82 : 601,902.95 = 389,865.48 : x
  2. Step 2: Convert to fraction form
    435,948.82/601,902.95 = 389,865.48/x
  3. Step 3: Cross multiply
    435,948.82x = 601,902.95 × 389,865.48
  4. Step 4: Simplify right side
    435,948.82x = 234,661,177,556.32
  5. Step 5: Solve for x
    x = 234,661,177,556.32/435,948.82
  6. Step 6: Final answer
    x = 538,276.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.