Home / 847,771.68-1,271,854.36-248,708.64

Finding the Fourth Proportional to 847,771.68, 1,271,854.36 and 248,708.64

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Solution

The fourth proportional to 847,771.68, 1,271,854.36 and 248,708.64 is: 373,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,771.68 : 1,271,854.36 = 248,708.64 : x
  2. Step 2: Convert to fraction form
    847,771.68/1,271,854.36 = 248,708.64/x
  3. Step 3: Cross multiply
    847,771.68x = 1,271,854.36 × 248,708.64
  4. Step 4: Simplify right side
    847,771.68x = 316,321,168,153.67
  5. Step 5: Solve for x
    x = 316,321,168,153.67/847,771.68
  6. Step 6: Final answer
    x = 373,120.71

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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.