Home / 717,208.72-1,075,633.79-211,669.36

Finding the Fourth Proportional to 717,208.72, 1,075,633.79 and 211,669.36

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Solution

The fourth proportional to 717,208.72, 1,075,633.79 and 211,669.36 is: 317,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,208.72 : 1,075,633.79 = 211,669.36 : x
  2. Step 2: Convert to fraction form
    717,208.72/1,075,633.79 = 211,669.36/x
  3. Step 3: Cross multiply
    717,208.72x = 1,075,633.79 × 211,669.36
  4. Step 4: Simplify right side
    717,208.72x = 227,678,713,763.76
  5. Step 5: Solve for x
    x = 227,678,713,763.76/717,208.72
  6. Step 6: Final answer
    x = 317,451.12

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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.