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Finding the Fourth Proportional to 538,393.07, 743,015.48 and 296,675.51

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Solution

The fourth proportional to 538,393.07, 743,015.48 and 296,675.51 is: 409,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,393.07 : 743,015.48 = 296,675.51 : x
  2. Step 2: Convert to fraction form
    538,393.07/743,015.48 = 296,675.51/x
  3. Step 3: Cross multiply
    538,393.07x = 743,015.48 × 296,675.51
  4. Step 4: Simplify right side
    538,393.07x = 220,434,491,268.44
  5. Step 5: Solve for x
    x = 220,434,491,268.44/538,393.07
  6. Step 6: Final answer
    x = 409,430.40

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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.