Home / 428,238.77-590,977.04-234,633.81

Finding the Fourth Proportional to 428,238.77, 590,977.04 and 234,633.81

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Solution

The fourth proportional to 428,238.77, 590,977.04 and 234,633.81 is: 323,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,238.77 : 590,977.04 = 234,633.81 : x
  2. Step 2: Convert to fraction form
    428,238.77/590,977.04 = 234,633.81/x
  3. Step 3: Cross multiply
    428,238.77x = 590,977.04 × 234,633.81
  4. Step 4: Simplify right side
    428,238.77x = 138,663,196,220.63
  5. Step 5: Solve for x
    x = 138,663,196,220.63/428,238.77
  6. Step 6: Final answer
    x = 323,798.79

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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.