Home / 765,004.96-1,055,604.24-425,407.84

Finding the Fourth Proportional to 765,004.96, 1,055,604.24 and 425,407.84

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Solution

The fourth proportional to 765,004.96, 1,055,604.24 and 425,407.84 is: 587,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,004.96 : 1,055,604.24 = 425,407.84 : x
  2. Step 2: Convert to fraction form
    765,004.96/1,055,604.24 = 425,407.84/x
  3. Step 3: Cross multiply
    765,004.96x = 1,055,604.24 × 425,407.84
  4. Step 4: Simplify right side
    765,004.96x = 449,062,319,633.24
  5. Step 5: Solve for x
    x = 449,062,319,633.24/765,004.96
  6. Step 6: Final answer
    x = 587,005.76

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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.