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Finding the Fourth Proportional to 444,273.89, 612,903.20 and 260,419.26

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Solution

The fourth proportional to 444,273.89, 612,903.20 and 260,419.26 is: 359,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,273.89 : 612,903.20 = 260,419.26 : x
  2. Step 2: Convert to fraction form
    444,273.89/612,903.20 = 260,419.26/x
  3. Step 3: Cross multiply
    444,273.89x = 612,903.20 × 260,419.26
  4. Step 4: Simplify right side
    444,273.89x = 159,611,796,493.54
  5. Step 5: Solve for x
    x = 159,611,796,493.54/444,273.89
  6. Step 6: Final answer
    x = 359,264.41

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1.5x scale

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.