Home / 717,104.00-1,075,405.34-211,530.78

Finding the Fourth Proportional to 717,104.00, 1,075,405.34 and 211,530.78

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Solution

The fourth proportional to 717,104.00, 1,075,405.34 and 211,530.78 is: 317,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,104.00 : 1,075,405.34 = 211,530.78 : x
  2. Step 2: Convert to fraction form
    717,104.00/1,075,405.34 = 211,530.78/x
  3. Step 3: Cross multiply
    717,104.00x = 1,075,405.34 × 211,530.78
  4. Step 4: Simplify right side
    717,104.00x = 227,481,329,328.71
  5. Step 5: Solve for x
    x = 227,481,329,328.71/717,104.00
  6. Step 6: Final answer
    x = 317,222.23

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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.