Home / 748,716.80-1,122,549.18-262,279.94

Finding the Fourth Proportional to 748,716.80, 1,122,549.18 and 262,279.94

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Solution

The fourth proportional to 748,716.80, 1,122,549.18 and 262,279.94 is: 393,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,716.80 : 1,122,549.18 = 262,279.94 : x
  2. Step 2: Convert to fraction form
    748,716.80/1,122,549.18 = 262,279.94/x
  3. Step 3: Cross multiply
    748,716.80x = 1,122,549.18 × 262,279.94
  4. Step 4: Simplify right side
    748,716.80x = 294,422,131,577.45
  5. Step 5: Solve for x
    x = 294,422,131,577.45/748,716.80
  6. Step 6: Final answer
    x = 393,235.64

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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.