Home / 828,579.44-1,242,081.72-528,217.04

Finding the Fourth Proportional to 828,579.44, 1,242,081.72 and 528,217.04

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Solution

The fourth proportional to 828,579.44, 1,242,081.72 and 528,217.04 is: 791,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,579.44 : 1,242,081.72 = 528,217.04 : x
  2. Step 2: Convert to fraction form
    828,579.44/1,242,081.72 = 528,217.04/x
  3. Step 3: Cross multiply
    828,579.44x = 1,242,081.72 × 528,217.04
  4. Step 4: Simplify right side
    828,579.44x = 656,088,729,576.51
  5. Step 5: Solve for x
    x = 656,088,729,576.51/828,579.44
  6. Step 6: Final answer
    x = 791,823.57

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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.