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Finding the Fourth Proportional to 488,422.40, 732,633.60 and 483,756.80

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Solution

The fourth proportional to 488,422.40, 732,633.60 and 483,756.80 is: 725,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,422.40 : 732,633.60 = 483,756.80 : x
  2. Step 2: Convert to fraction form
    488,422.40/732,633.60 = 483,756.80/x
  3. Step 3: Cross multiply
    488,422.40x = 732,633.60 × 483,756.80
  4. Step 4: Simplify right side
    488,422.40x = 354,416,485,908.48
  5. Step 5: Solve for x
    x = 354,416,485,908.48/488,422.40
  6. Step 6: Final answer
    x = 725,635.20

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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.