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Finding the Fourth Proportional to 1,578.56, 2,367.85 and 604.67

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Solution

The fourth proportional to 1,578.56, 2,367.85 and 604.67 is: 907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.56 : 2,367.85 = 604.67 : x
  2. Step 2: Convert to fraction form
    1,578.56/2,367.85 = 604.67/x
  3. Step 3: Cross multiply
    1,578.56x = 2,367.85 × 604.67
  4. Step 4: Simplify right side
    1,578.56x = 1,431,754.51
  5. Step 5: Solve for x
    x = 1,431,754.51/1,578.56
  6. Step 6: Final answer
    x = 907.00

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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.