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Finding the Fourth Proportional to 488,606.40, 731,743.20 and 488,606.40

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Solution

The fourth proportional to 488,606.40, 731,743.20 and 488,606.40 is: 731,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,606.40 : 731,743.20 = 488,606.40 : x
  2. Step 2: Convert to fraction form
    488,606.40/731,743.20 = 488,606.40/x
  3. Step 3: Cross multiply
    488,606.40x = 731,743.20 × 488,606.40
  4. Step 4: Simplify right side
    488,606.40x = 357,534,410,676.48
  5. Step 5: Solve for x
    x = 357,534,410,676.48/488,606.40
  6. Step 6: Final answer
    x = 731,743.20

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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.