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Finding the Fourth Proportional to 488,515.60, 732,773.40 and 409,783.60

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Solution

The fourth proportional to 488,515.60, 732,773.40 and 409,783.60 is: 614,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,515.60 : 732,773.40 = 409,783.60 : x
  2. Step 2: Convert to fraction form
    488,515.60/732,773.40 = 409,783.60/x
  3. Step 3: Cross multiply
    488,515.60x = 732,773.40 × 409,783.60
  4. Step 4: Simplify right side
    488,515.60x = 300,278,521,836.24
  5. Step 5: Solve for x
    x = 300,278,521,836.24/488,515.60
  6. Step 6: Final answer
    x = 614,675.40

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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.