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Finding the Fourth Proportional to 554,385.60, 831,335.40 and 254,766.60

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Solution

The fourth proportional to 554,385.60, 831,335.40 and 254,766.60 is: 382,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,385.60 : 831,335.40 = 254,766.60 : x
  2. Step 2: Convert to fraction form
    554,385.60/831,335.40 = 254,766.60/x
  3. Step 3: Cross multiply
    554,385.60x = 831,335.40 × 254,766.60
  4. Step 4: Simplify right side
    554,385.60x = 211,796,493,317.64
  5. Step 5: Solve for x
    x = 211,796,493,317.64/554,385.60
  6. Step 6: Final answer
    x = 382,038.23

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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.