Home / 428,131.51-590,821.73-234,546.26

Finding the Fourth Proportional to 428,131.51, 590,821.73 and 234,546.26

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Solution

The fourth proportional to 428,131.51, 590,821.73 and 234,546.26 is: 323,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,131.51 : 590,821.73 = 234,546.26 : x
  2. Step 2: Convert to fraction form
    428,131.51/590,821.73 = 234,546.26/x
  3. Step 3: Cross multiply
    428,131.51x = 590,821.73 × 234,546.26
  4. Step 4: Simplify right side
    428,131.51x = 138,575,024,730.49
  5. Step 5: Solve for x
    x = 138,575,024,730.49/428,131.51
  6. Step 6: Final answer
    x = 323,673.97

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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.