Home / 982,485.80-1,473,728.57-272,513.84

Finding the Fourth Proportional to 982,485.80, 1,473,728.57 and 272,513.84

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Solution

The fourth proportional to 982,485.80, 1,473,728.57 and 272,513.84 is: 408,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,485.80 : 1,473,728.57 = 272,513.84 : x
  2. Step 2: Convert to fraction form
    982,485.80/1,473,728.57 = 272,513.84/x
  3. Step 3: Cross multiply
    982,485.80x = 1,473,728.57 × 272,513.84
  4. Step 4: Simplify right side
    982,485.80x = 401,611,430,365.84
  5. Step 5: Solve for x
    x = 401,611,430,365.84/982,485.80
  6. Step 6: Final answer
    x = 408,770.72

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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.