Home / 945,230.40-1,418,767.20-472,449.60

Finding the Fourth Proportional to 945,230.40, 1,418,767.20 and 472,449.60

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Solution

The fourth proportional to 945,230.40, 1,418,767.20 and 472,449.60 is: 709,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,230.40 : 1,418,767.20 = 472,449.60 : x
  2. Step 2: Convert to fraction form
    945,230.40/1,418,767.20 = 472,449.60/x
  3. Step 3: Cross multiply
    945,230.40x = 1,418,767.20 × 472,449.60
  4. Step 4: Simplify right side
    945,230.40x = 670,295,996,133.12
  5. Step 5: Solve for x
    x = 670,295,996,133.12/945,230.40
  6. Step 6: Final answer
    x = 709,135.04

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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.