Home / 719,903.54-1,080,965.10-609,040.46

Finding the Fourth Proportional to 719,903.54, 1,080,965.10 and 609,040.46

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Solution

The fourth proportional to 719,903.54, 1,080,965.10 and 609,040.46 is: 914,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,903.54 : 1,080,965.10 = 609,040.46 : x
  2. Step 2: Convert to fraction form
    719,903.54/1,080,965.10 = 609,040.46/x
  3. Step 3: Cross multiply
    719,903.54x = 1,080,965.10 × 609,040.46
  4. Step 4: Simplify right side
    719,903.54x = 658,351,481,747.95
  5. Step 5: Solve for x
    x = 658,351,481,747.95/719,903.54
  6. Step 6: Final answer
    x = 914,499.58

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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.