Home / 982,785.12-1,355,564.88-600,999.76

Finding the Fourth Proportional to 982,785.12, 1,355,564.88 and 600,999.76

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Solution

The fourth proportional to 982,785.12, 1,355,564.88 and 600,999.76 is: 828,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,785.12 : 1,355,564.88 = 600,999.76 : x
  2. Step 2: Convert to fraction form
    982,785.12/1,355,564.88 = 600,999.76/x
  3. Step 3: Cross multiply
    982,785.12x = 1,355,564.88 × 600,999.76
  4. Step 4: Simplify right side
    982,785.12x = 814,694,167,544.43
  5. Step 5: Solve for x
    x = 814,694,167,544.43/982,785.12
  6. Step 6: Final answer
    x = 828,964.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.