Home / 777,758.73-1,166,638.10-245,321.28

Finding the Fourth Proportional to 777,758.73, 1,166,638.10 and 245,321.28

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Solution

The fourth proportional to 777,758.73, 1,166,638.10 and 245,321.28 is: 367,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,758.73 : 1,166,638.10 = 245,321.28 : x
  2. Step 2: Convert to fraction form
    777,758.73/1,166,638.10 = 245,321.28/x
  3. Step 3: Cross multiply
    777,758.73x = 1,166,638.10 × 245,321.28
  4. Step 4: Simplify right side
    777,758.73x = 286,201,150,762.16
  5. Step 5: Solve for x
    x = 286,201,150,762.16/777,758.73
  6. Step 6: Final answer
    x = 367,981.92

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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.