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Finding the Fourth Proportional to 524,903.60, 787,355.40 and 363,940.40

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Solution

The fourth proportional to 524,903.60, 787,355.40 and 363,940.40 is: 545,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,903.60 : 787,355.40 = 363,940.40 : x
  2. Step 2: Convert to fraction form
    524,903.60/787,355.40 = 363,940.40/x
  3. Step 3: Cross multiply
    524,903.60x = 787,355.40 × 363,940.40
  4. Step 4: Simplify right side
    524,903.60x = 286,550,439,218.16
  5. Step 5: Solve for x
    x = 286,550,439,218.16/524,903.60
  6. Step 6: Final answer
    x = 545,910.60

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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.