Home / 809,279.52-1,214,075.52-310,604.64

Finding the Fourth Proportional to 809,279.52, 1,214,075.52 and 310,604.64

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Solution

The fourth proportional to 809,279.52, 1,214,075.52 and 310,604.64 is: 465,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,279.52 : 1,214,075.52 = 310,604.64 : x
  2. Step 2: Convert to fraction form
    809,279.52/1,214,075.52 = 310,604.64/x
  3. Step 3: Cross multiply
    809,279.52x = 1,214,075.52 × 310,604.64
  4. Step 4: Simplify right side
    809,279.52x = 377,097,489,822.41
  5. Step 5: Solve for x
    x = 377,097,489,822.41/809,279.52
  6. Step 6: Final answer
    x = 465,966.93

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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.