Home / 954,628.80-1,431,936.72-323,986.56

Finding the Fourth Proportional to 954,628.80, 1,431,936.72 and 323,986.56

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Solution

The fourth proportional to 954,628.80, 1,431,936.72 and 323,986.56 is: 485,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,628.80 : 1,431,936.72 = 323,986.56 : x
  2. Step 2: Convert to fraction form
    954,628.80/1,431,936.72 = 323,986.56/x
  3. Step 3: Cross multiply
    954,628.80x = 1,431,936.72 × 323,986.56
  4. Step 4: Simplify right side
    954,628.80x = 463,928,252,050.48
  5. Step 5: Solve for x
    x = 463,928,252,050.48/954,628.80
  6. Step 6: Final answer
    x = 485,977.64

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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.