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Finding the Fourth Proportional to 573,453.60, 859,143.60 and 490,509.60

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Solution

The fourth proportional to 573,453.60, 859,143.60 and 490,509.60 is: 734,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,453.60 : 859,143.60 = 490,509.60 : x
  2. Step 2: Convert to fraction form
    573,453.60/859,143.60 = 490,509.60/x
  3. Step 3: Cross multiply
    573,453.60x = 859,143.60 × 490,509.60
  4. Step 4: Simplify right side
    573,453.60x = 421,418,183,578.56
  5. Step 5: Solve for x
    x = 421,418,183,578.56/573,453.60
  6. Step 6: Final answer
    x = 734,877.56

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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.