Home / 856,370.02-1,181,791.55-463,903.90

Finding the Fourth Proportional to 856,370.02, 1,181,791.55 and 463,903.90

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Solution

The fourth proportional to 856,370.02, 1,181,791.55 and 463,903.90 is: 640,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,370.02 : 1,181,791.55 = 463,903.90 : x
  2. Step 2: Convert to fraction form
    856,370.02/1,181,791.55 = 463,903.90/x
  3. Step 3: Cross multiply
    856,370.02x = 1,181,791.55 × 463,903.90
  4. Step 4: Simplify right side
    856,370.02x = 548,237,709,032.05
  5. Step 5: Solve for x
    x = 548,237,709,032.05/856,370.02
  6. Step 6: Final answer
    x = 640,187.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.