Home / 854,436.93-1,280,534.24-628,740.55

Finding the Fourth Proportional to 854,436.93, 1,280,534.24 and 628,740.55

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Solution

The fourth proportional to 854,436.93, 1,280,534.24 and 628,740.55 is: 942,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,436.93 : 1,280,534.24 = 628,740.55 : x
  2. Step 2: Convert to fraction form
    854,436.93/1,280,534.24 = 628,740.55/x
  3. Step 3: Cross multiply
    854,436.93x = 1,280,534.24 × 628,740.55
  4. Step 4: Simplify right side
    854,436.93x = 805,123,802,351.43
  5. Step 5: Solve for x
    x = 805,123,802,351.43/854,436.93
  6. Step 6: Final answer
    x = 942,285.82

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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.