Home / 484,559.40-727,271.10-284,629.80

Finding the Fourth Proportional to 484,559.40, 727,271.10 and 284,629.80

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Solution

The fourth proportional to 484,559.40, 727,271.10 and 284,629.80 is: 427,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,559.40 : 727,271.10 = 284,629.80 : x
  2. Step 2: Convert to fraction form
    484,559.40/727,271.10 = 284,629.80/x
  3. Step 3: Cross multiply
    484,559.40x = 727,271.10 × 284,629.80
  4. Step 4: Simplify right side
    484,559.40x = 207,003,027,738.78
  5. Step 5: Solve for x
    x = 207,003,027,738.78/484,559.40
  6. Step 6: Final answer
    x = 427,198.46

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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.