Home / 717,179.16-1,075,885.49-211,791.25

Finding the Fourth Proportional to 717,179.16, 1,075,885.49 and 211,791.25

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Solution

The fourth proportional to 717,179.16, 1,075,885.49 and 211,791.25 is: 317,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,179.16 : 1,075,885.49 = 211,791.25 : x
  2. Step 2: Convert to fraction form
    717,179.16/1,075,885.49 = 211,791.25/x
  3. Step 3: Cross multiply
    717,179.16x = 1,075,885.49 × 211,791.25
  4. Step 4: Simplify right side
    717,179.16x = 227,863,134,050.75
  5. Step 5: Solve for x
    x = 227,863,134,050.75/717,179.16
  6. Step 6: Final answer
    x = 317,721.36

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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.