Home / 945,422.88-1,418,146.61-314,336.69

Finding the Fourth Proportional to 945,422.88, 1,418,146.61 and 314,336.69

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Solution

The fourth proportional to 945,422.88, 1,418,146.61 and 314,336.69 is: 471,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,422.88 : 1,418,146.61 = 314,336.69 : x
  2. Step 2: Convert to fraction form
    945,422.88/1,418,146.61 = 314,336.69/x
  3. Step 3: Cross multiply
    945,422.88x = 1,418,146.61 × 314,336.69
  4. Step 4: Simplify right side
    945,422.88x = 445,775,511,322.12
  5. Step 5: Solve for x
    x = 445,775,511,322.12/945,422.88
  6. Step 6: Final answer
    x = 471,509.12

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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.