Home / 821,191.52-1,232,228.44-341,749.86

Finding the Fourth Proportional to 821,191.52, 1,232,228.44 and 341,749.86

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Solution

The fourth proportional to 821,191.52, 1,232,228.44 and 341,749.86 is: 512,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,191.52 : 1,232,228.44 = 341,749.86 : x
  2. Step 2: Convert to fraction form
    821,191.52/1,232,228.44 = 341,749.86/x
  3. Step 3: Cross multiply
    821,191.52x = 1,232,228.44 × 341,749.86
  4. Step 4: Simplify right side
    821,191.52x = 421,113,896,858.02
  5. Step 5: Solve for x
    x = 421,113,896,858.02/821,191.52
  6. Step 6: Final answer
    x = 512,808.38

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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.