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Finding the Fourth Proportional to 551,037.40, 825,000.90 and 535,485.40

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Solution

The fourth proportional to 551,037.40, 825,000.90 and 535,485.40 is: 801,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,037.40 : 825,000.90 = 535,485.40 : x
  2. Step 2: Convert to fraction form
    551,037.40/825,000.90 = 535,485.40/x
  3. Step 3: Cross multiply
    551,037.40x = 825,000.90 × 535,485.40
  4. Step 4: Simplify right side
    551,037.40x = 441,775,936,936.86
  5. Step 5: Solve for x
    x = 441,775,936,936.86/551,037.40
  6. Step 6: Final answer
    x = 801,716.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.