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Finding the Fourth Proportional to 442,937.80, 664,406.70 and 364,205.80

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Solution

The fourth proportional to 442,937.80, 664,406.70 and 364,205.80 is: 546,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,937.80 : 664,406.70 = 364,205.80 : x
  2. Step 2: Convert to fraction form
    442,937.80/664,406.70 = 364,205.80/x
  3. Step 3: Cross multiply
    442,937.80x = 664,406.70 × 364,205.80
  4. Step 4: Simplify right side
    442,937.80x = 241,980,773,698.86
  5. Step 5: Solve for x
    x = 241,980,773,698.86/442,937.80
  6. Step 6: Final answer
    x = 546,308.70

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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.