Home / 648,277.20-971,638.20-332,571.60

Finding the Fourth Proportional to 648,277.20, 971,638.20 and 332,571.60

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Solution

The fourth proportional to 648,277.20, 971,638.20 and 332,571.60 is: 498,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,277.20 : 971,638.20 = 332,571.60 : x
  2. Step 2: Convert to fraction form
    648,277.20/971,638.20 = 332,571.60/x
  3. Step 3: Cross multiply
    648,277.20x = 971,638.20 × 332,571.60
  4. Step 4: Simplify right side
    648,277.20x = 323,139,270,795.12
  5. Step 5: Solve for x
    x = 323,139,270,795.12/648,277.20
  6. Step 6: Final answer
    x = 498,458.48

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1.5x scale

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.