Home / 730,732.06-1,008,409.89-428,926.06

Finding the Fourth Proportional to 730,732.06, 1,008,409.89 and 428,926.06

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Solution

The fourth proportional to 730,732.06, 1,008,409.89 and 428,926.06 is: 591,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,732.06 : 1,008,409.89 = 428,926.06 : x
  2. Step 2: Convert to fraction form
    730,732.06/1,008,409.89 = 428,926.06/x
  3. Step 3: Cross multiply
    730,732.06x = 1,008,409.89 × 428,926.06
  4. Step 4: Simplify right side
    730,732.06x = 432,533,281,439.01
  5. Step 5: Solve for x
    x = 432,533,281,439.01/730,732.06
  6. Step 6: Final answer
    x = 591,917.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.