Home / 659,026.44-909,399.96-383,435.28

Finding the Fourth Proportional to 659,026.44, 909,399.96 and 383,435.28

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Solution

The fourth proportional to 659,026.44, 909,399.96 and 383,435.28 is: 529,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,026.44 : 909,399.96 = 383,435.28 : x
  2. Step 2: Convert to fraction form
    659,026.44/909,399.96 = 383,435.28/x
  3. Step 3: Cross multiply
    659,026.44x = 909,399.96 × 383,435.28
  4. Step 4: Simplify right side
    659,026.44x = 348,696,028,294.59
  5. Step 5: Solve for x
    x = 348,696,028,294.59/659,026.44
  6. Step 6: Final answer
    x = 529,107.80

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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.