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Finding the Fourth Proportional to 580,661.64, 801,313.06 and 326,018.30

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Solution

The fourth proportional to 580,661.64, 801,313.06 and 326,018.30 is: 449,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,661.64 : 801,313.06 = 326,018.30 : x
  2. Step 2: Convert to fraction form
    580,661.64/801,313.06 = 326,018.30/x
  3. Step 3: Cross multiply
    580,661.64x = 801,313.06 × 326,018.30
  4. Step 4: Simplify right side
    580,661.64x = 261,242,721,589.00
  5. Step 5: Solve for x
    x = 261,242,721,589.00/580,661.64
  6. Step 6: Final answer
    x = 449,905.25

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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.