Home / 717,018.08-1,075,711.68-211,558.64

Finding the Fourth Proportional to 717,018.08, 1,075,711.68 and 211,558.64

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Solution

The fourth proportional to 717,018.08, 1,075,711.68 and 211,558.64 is: 317,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,018.08 : 1,075,711.68 = 211,558.64 : x
  2. Step 2: Convert to fraction form
    717,018.08/1,075,711.68 = 211,558.64/x
  3. Step 3: Cross multiply
    717,018.08x = 1,075,711.68 × 211,558.64
  4. Step 4: Simplify right side
    717,018.08x = 227,576,100,052.92
  5. Step 5: Solve for x
    x = 227,576,100,052.92/717,018.08
  6. Step 6: Final answer
    x = 317,392.42

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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.