Home / 982,030.80-1,472,959.80-271,995.60

Finding the Fourth Proportional to 982,030.80, 1,472,959.80 and 271,995.60

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Solution

The fourth proportional to 982,030.80, 1,472,959.80 and 271,995.60 is: 407,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,030.80 : 1,472,959.80 = 271,995.60 : x
  2. Step 2: Convert to fraction form
    982,030.80/1,472,959.80 = 271,995.60/x
  3. Step 3: Cross multiply
    982,030.80x = 1,472,959.80 × 271,995.60
  4. Step 4: Simplify right side
    982,030.80x = 400,638,584,576.88
  5. Step 5: Solve for x
    x = 400,638,584,576.88/982,030.80
  6. Step 6: Final answer
    x = 407,969.47

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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.