Home / 734,459.40-1,100,825.10-419,214.60

Finding the Fourth Proportional to 734,459.40, 1,100,825.10 and 419,214.60

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Solution

The fourth proportional to 734,459.40, 1,100,825.10 and 419,214.60 is: 628,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,459.40 : 1,100,825.10 = 419,214.60 : x
  2. Step 2: Convert to fraction form
    734,459.40/1,100,825.10 = 419,214.60/x
  3. Step 3: Cross multiply
    734,459.40x = 1,100,825.10 × 419,214.60
  4. Step 4: Simplify right side
    734,459.40x = 461,481,953,966.46
  5. Step 5: Solve for x
    x = 461,481,953,966.46/734,459.40
  6. Step 6: Final answer
    x = 628,328.75

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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.