Home / 997,957.94-1,496,915.42-278,280.47

Finding the Fourth Proportional to 997,957.94, 1,496,915.42 and 278,280.47

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Solution

The fourth proportional to 997,957.94, 1,496,915.42 and 278,280.47 is: 417,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,957.94 : 1,496,915.42 = 278,280.47 : x
  2. Step 2: Convert to fraction form
    997,957.94/1,496,915.42 = 278,280.47/x
  3. Step 3: Cross multiply
    997,957.94x = 1,496,915.42 × 278,280.47
  4. Step 4: Simplify right side
    997,957.94x = 416,562,318,795.42
  5. Step 5: Solve for x
    x = 416,562,318,795.42/997,957.94
  6. Step 6: Final answer
    x = 417,414.71

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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.