Home / 777,282.37-1,166,262.38-272,205.65

Finding the Fourth Proportional to 777,282.37, 1,166,262.38 and 272,205.65

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Solution

The fourth proportional to 777,282.37, 1,166,262.38 and 272,205.65 is: 408,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,282.37 : 1,166,262.38 = 272,205.65 : x
  2. Step 2: Convert to fraction form
    777,282.37/1,166,262.38 = 272,205.65/x
  3. Step 3: Cross multiply
    777,282.37x = 1,166,262.38 × 272,205.65
  4. Step 4: Simplify right side
    777,282.37x = 317,463,209,218.45
  5. Step 5: Solve for x
    x = 317,463,209,218.45/777,282.37
  6. Step 6: Final answer
    x = 408,427.13

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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.