Home / 710,905.20-1,064,975.40-394,796.40

Finding the Fourth Proportional to 710,905.20, 1,064,975.40 and 394,796.40

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Solution

The fourth proportional to 710,905.20, 1,064,975.40 and 394,796.40 is: 591,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,905.20 : 1,064,975.40 = 394,796.40 : x
  2. Step 2: Convert to fraction form
    710,905.20/1,064,975.40 = 394,796.40/x
  3. Step 3: Cross multiply
    710,905.20x = 1,064,975.40 × 394,796.40
  4. Step 4: Simplify right side
    710,905.20x = 420,448,454,008.56
  5. Step 5: Solve for x
    x = 420,448,454,008.56/710,905.20
  6. Step 6: Final answer
    x = 591,426.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.