Home / 428,110.21-590,801.65-244,345.11

Finding the Fourth Proportional to 428,110.21, 590,801.65 and 244,345.11

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Solution

The fourth proportional to 428,110.21, 590,801.65 and 244,345.11 is: 337,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,110.21 : 590,801.65 = 244,345.11 : x
  2. Step 2: Convert to fraction form
    428,110.21/590,801.65 = 244,345.11/x
  3. Step 3: Cross multiply
    428,110.21x = 590,801.65 × 244,345.11
  4. Step 4: Simplify right side
    428,110.21x = 144,359,491,331.06
  5. Step 5: Solve for x
    x = 144,359,491,331.06/428,110.21
  6. Step 6: Final answer
    x = 337,201.70

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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.