Home / 982,902.80-1,472,021.40-604,989.20

Finding the Fourth Proportional to 982,902.80, 1,472,021.40 and 604,989.20

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Solution

The fourth proportional to 982,902.80, 1,472,021.40 and 604,989.20 is: 906,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,902.80 : 1,472,021.40 = 604,989.20 : x
  2. Step 2: Convert to fraction form
    982,902.80/1,472,021.40 = 604,989.20/x
  3. Step 3: Cross multiply
    982,902.80x = 1,472,021.40 × 604,989.20
  4. Step 4: Simplify right side
    982,902.80x = 890,557,049,168.88
  5. Step 5: Solve for x
    x = 890,557,049,168.88/982,902.80
  6. Step 6: Final answer
    x = 906,047.93

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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.