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Finding the Fourth Proportional to 550,584.68, 759,002.50 and 389,154.92

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Solution

The fourth proportional to 550,584.68, 759,002.50 and 389,154.92 is: 536,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,584.68 : 759,002.50 = 389,154.92 : x
  2. Step 2: Convert to fraction form
    550,584.68/759,002.50 = 389,154.92/x
  3. Step 3: Cross multiply
    550,584.68x = 759,002.50 × 389,154.92
  4. Step 4: Simplify right side
    550,584.68x = 295,369,557,167.30
  5. Step 5: Solve for x
    x = 295,369,557,167.30/550,584.68
  6. Step 6: Final answer
    x = 536,465.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.