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Finding the Fourth Proportional to 637,277.40, 879,442.56 and 350,796

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Solution

The fourth proportional to 637,277.40, 879,442.56 and 350,796 is: 484,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,277.40 : 879,442.56 = 350,796 : x
  2. Step 2: Convert to fraction form
    637,277.40/879,442.56 = 350,796/x
  3. Step 3: Cross multiply
    637,277.40x = 879,442.56 × 350,796
  4. Step 4: Simplify right side
    637,277.40x = 308,504,932,277.76
  5. Step 5: Solve for x
    x = 308,504,932,277.76/637,277.40
  6. Step 6: Final answer
    x = 484,098.34

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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.