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Finding the Fourth Proportional to 554,489.04, 831,044.52 and 254,651.52

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Solution

The fourth proportional to 554,489.04, 831,044.52 and 254,651.52 is: 381,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,489.04 : 831,044.52 = 254,651.52 : x
  2. Step 2: Convert to fraction form
    554,489.04/831,044.52 = 254,651.52/x
  3. Step 3: Cross multiply
    554,489.04x = 831,044.52 × 254,651.52
  4. Step 4: Simplify right side
    554,489.04x = 211,626,750,205.67
  5. Step 5: Solve for x
    x = 211,626,750,205.67/554,489.04
  6. Step 6: Final answer
    x = 381,660.84

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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.