Home / 853,631.06-1,280,545.00-285,087.60

Finding the Fourth Proportional to 853,631.06, 1,280,545.00 and 285,087.60

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Solution

The fourth proportional to 853,631.06, 1,280,545.00 and 285,087.60 is: 427,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,631.06 : 1,280,545.00 = 285,087.60 : x
  2. Step 2: Convert to fraction form
    853,631.06/1,280,545.00 = 285,087.60/x
  3. Step 3: Cross multiply
    853,631.06x = 1,280,545.00 × 285,087.60
  4. Step 4: Simplify right side
    853,631.06x = 365,067,500,029.28
  5. Step 5: Solve for x
    x = 365,067,500,029.28/853,631.06
  6. Step 6: Final answer
    x = 427,664.27

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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.