Home / 828,727.08-1,243,090.64-548,178.72

Finding the Fourth Proportional to 828,727.08, 1,243,090.64 and 548,178.72

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Solution

The fourth proportional to 828,727.08, 1,243,090.64 and 548,178.72 is: 822,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,727.08 : 1,243,090.64 = 548,178.72 : x
  2. Step 2: Convert to fraction form
    828,727.08/1,243,090.64 = 548,178.72/x
  3. Step 3: Cross multiply
    828,727.08x = 1,243,090.64 × 548,178.72
  4. Step 4: Simplify right side
    828,727.08x = 681,435,837,249.63
  5. Step 5: Solve for x
    x = 681,435,837,249.63/828,727.08
  6. Step 6: Final answer
    x = 822,268.09

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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.