Home / 858,910.60-1,288,365.90-298,001.80

Finding the Fourth Proportional to 858,910.60, 1,288,365.90 and 298,001.80

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Solution

The fourth proportional to 858,910.60, 1,288,365.90 and 298,001.80 is: 447,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,910.60 : 1,288,365.90 = 298,001.80 : x
  2. Step 2: Convert to fraction form
    858,910.60/1,288,365.90 = 298,001.80/x
  3. Step 3: Cross multiply
    858,910.60x = 1,288,365.90 × 298,001.80
  4. Step 4: Simplify right side
    858,910.60x = 383,935,357,258.62
  5. Step 5: Solve for x
    x = 383,935,357,258.62/858,910.60
  6. Step 6: Final answer
    x = 447,002.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.