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Finding the Fourth Proportional to 450,852.54, 676,025.46 and 308,857.92

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Solution

The fourth proportional to 450,852.54, 676,025.46 and 308,857.92 is: 463,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,852.54 : 676,025.46 = 308,857.92 : x
  2. Step 2: Convert to fraction form
    450,852.54/676,025.46 = 308,857.92/x
  3. Step 3: Cross multiply
    450,852.54x = 676,025.46 × 308,857.92
  4. Step 4: Simplify right side
    450,852.54x = 208,795,817,442.64
  5. Step 5: Solve for x
    x = 208,795,817,442.64/450,852.54
  6. Step 6: Final answer
    x = 463,113.32

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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.