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Finding the Fourth Proportional to 624,144.40, 936,216.60 and 579,907.60

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Solution

The fourth proportional to 624,144.40, 936,216.60 and 579,907.60 is: 869,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,144.40 : 936,216.60 = 579,907.60 : x
  2. Step 2: Convert to fraction form
    624,144.40/936,216.60 = 579,907.60/x
  3. Step 3: Cross multiply
    624,144.40x = 936,216.60 × 579,907.60
  4. Step 4: Simplify right side
    624,144.40x = 542,919,121,586.16
  5. Step 5: Solve for x
    x = 542,919,121,586.16/624,144.40
  6. Step 6: Final answer
    x = 869,861.40

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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.