Home / 535,035.97-738,355.64-305,623.54

Finding the Fourth Proportional to 535,035.97, 738,355.64 and 305,623.54

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Solution

The fourth proportional to 535,035.97, 738,355.64 and 305,623.54 is: 421,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,035.97 : 738,355.64 = 305,623.54 : x
  2. Step 2: Convert to fraction form
    535,035.97/738,355.64 = 305,623.54/x
  3. Step 3: Cross multiply
    535,035.97x = 738,355.64 × 305,623.54
  4. Step 4: Simplify right side
    535,035.97x = 225,658,864,475.77
  5. Step 5: Solve for x
    x = 225,658,864,475.77/535,035.97
  6. Step 6: Final answer
    x = 421,763.91

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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.