Home / 828,904.80-1,243,971.60-548,328.80

Finding the Fourth Proportional to 828,904.80, 1,243,971.60 and 548,328.80

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Solution

The fourth proportional to 828,904.80, 1,243,971.60 and 548,328.80 is: 822,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,904.80 : 1,243,971.60 = 548,328.80 : x
  2. Step 2: Convert to fraction form
    828,904.80/1,243,971.60 = 548,328.80/x
  3. Step 3: Cross multiply
    828,904.80x = 1,243,971.60 × 548,328.80
  4. Step 4: Simplify right side
    828,904.80x = 682,105,454,662.08
  5. Step 5: Solve for x
    x = 682,105,454,662.08/828,904.80
  6. Step 6: Final answer
    x = 822,899.63

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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.