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Finding the Fourth Proportional to 598,978.26, 826,727.85 and 395,065.62

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Solution

The fourth proportional to 598,978.26, 826,727.85 and 395,065.62 is: 545,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,978.26 : 826,727.85 = 395,065.62 : x
  2. Step 2: Convert to fraction form
    598,978.26/826,727.85 = 395,065.62/x
  3. Step 3: Cross multiply
    598,978.26x = 826,727.85 × 395,065.62
  4. Step 4: Simplify right side
    598,978.26x = 326,611,750,631.52
  5. Step 5: Solve for x
    x = 326,611,750,631.52/598,978.26
  6. Step 6: Final answer
    x = 545,281.48

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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.