Home / 675,749.87-1,012,557.78-548,772.24

Finding the Fourth Proportional to 675,749.87, 1,012,557.78 and 548,772.24

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Solution

The fourth proportional to 675,749.87, 1,012,557.78 and 548,772.24 is: 822,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,749.87 : 1,012,557.78 = 548,772.24 : x
  2. Step 2: Convert to fraction form
    675,749.87/1,012,557.78 = 548,772.24/x
  3. Step 3: Cross multiply
    675,749.87x = 1,012,557.78 × 548,772.24
  4. Step 4: Simplify right side
    675,749.87x = 555,663,601,060.03
  5. Step 5: Solve for x
    x = 555,663,601,060.03/675,749.87
  6. Step 6: Final answer
    x = 822,291.84

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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.