Home / 717,072.24-1,075,357.32-211,499.28

Finding the Fourth Proportional to 717,072.24, 1,075,357.32 and 211,499.28

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Solution

The fourth proportional to 717,072.24, 1,075,357.32 and 211,499.28 is: 317,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,072.24 : 1,075,357.32 = 211,499.28 : x
  2. Step 2: Convert to fraction form
    717,072.24/1,075,357.32 = 211,499.28/x
  3. Step 3: Cross multiply
    717,072.24x = 1,075,357.32 × 211,499.28
  4. Step 4: Simplify right side
    717,072.24x = 227,437,298,922.73
  5. Step 5: Solve for x
    x = 227,437,298,922.73/717,072.24
  6. Step 6: Final answer
    x = 317,174.88

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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.