Home / 847,128.24-1,270,410.48-341,558.64

Finding the Fourth Proportional to 847,128.24, 1,270,410.48 and 341,558.64

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Solution

The fourth proportional to 847,128.24, 1,270,410.48 and 341,558.64 is: 512,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,128.24 : 1,270,410.48 = 341,558.64 : x
  2. Step 2: Convert to fraction form
    847,128.24/1,270,410.48 = 341,558.64/x
  3. Step 3: Cross multiply
    847,128.24x = 1,270,410.48 × 341,558.64
  4. Step 4: Simplify right side
    847,128.24x = 433,919,675,790.55
  5. Step 5: Solve for x
    x = 433,919,675,790.55/847,128.24
  6. Step 6: Final answer
    x = 512,224.31

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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.