Home / 767,322.72-1,059,573.96-481,334.40

Finding the Fourth Proportional to 767,322.72, 1,059,573.96 and 481,334.40

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Solution

The fourth proportional to 767,322.72, 1,059,573.96 and 481,334.40 is: 664,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,322.72 : 1,059,573.96 = 481,334.40 : x
  2. Step 2: Convert to fraction form
    767,322.72/1,059,573.96 = 481,334.40/x
  3. Step 3: Cross multiply
    767,322.72x = 1,059,573.96 × 481,334.40
  4. Step 4: Simplify right side
    767,322.72x = 510,009,396,292.22
  5. Step 5: Solve for x
    x = 510,009,396,292.22/767,322.72
  6. Step 6: Final answer
    x = 664,660.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.