Home / 842,912.70-1,264,369.05-488,618.70

Finding the Fourth Proportional to 842,912.70, 1,264,369.05 and 488,618.70

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Solution

The fourth proportional to 842,912.70, 1,264,369.05 and 488,618.70 is: 732,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,912.70 : 1,264,369.05 = 488,618.70 : x
  2. Step 2: Convert to fraction form
    842,912.70/1,264,369.05 = 488,618.70/x
  3. Step 3: Cross multiply
    842,912.70x = 1,264,369.05 × 488,618.70
  4. Step 4: Simplify right side
    842,912.70x = 617,794,361,531.24
  5. Step 5: Solve for x
    x = 617,794,361,531.24/842,912.70
  6. Step 6: Final answer
    x = 732,928.05

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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.