Home / 847,772.68-1,271,855.86-248,709.64

Finding the Fourth Proportional to 847,772.68, 1,271,855.86 and 248,709.64

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Solution

The fourth proportional to 847,772.68, 1,271,855.86 and 248,709.64 is: 373,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,772.68 : 1,271,855.86 = 248,709.64 : x
  2. Step 2: Convert to fraction form
    847,772.68/1,271,855.86 = 248,709.64/x
  3. Step 3: Cross multiply
    847,772.68x = 1,271,855.86 × 248,709.64
  4. Step 4: Simplify right side
    847,772.68x = 316,322,813,072.49
  5. Step 5: Solve for x
    x = 316,322,813,072.49/847,772.68
  6. Step 6: Final answer
    x = 373,122.21

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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.