Home / 754,028.76-1,131,848.88-305,043.12

Finding the Fourth Proportional to 754,028.76, 1,131,848.88 and 305,043.12

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Solution

The fourth proportional to 754,028.76, 1,131,848.88 and 305,043.12 is: 457,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,028.76 : 1,131,848.88 = 305,043.12 : x
  2. Step 2: Convert to fraction form
    754,028.76/1,131,848.88 = 305,043.12/x
  3. Step 3: Cross multiply
    754,028.76x = 1,131,848.88 × 305,043.12
  4. Step 4: Simplify right side
    754,028.76x = 345,262,713,723.71
  5. Step 5: Solve for x
    x = 345,262,713,723.71/754,028.76
  6. Step 6: Final answer
    x = 457,890.64

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1.5x scale

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.