Home / 821,505.22-1,232,397.95-366,261.64

Finding the Fourth Proportional to 821,505.22, 1,232,397.95 and 366,261.64

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Solution

The fourth proportional to 821,505.22, 1,232,397.95 and 366,261.64 is: 549,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,505.22 : 1,232,397.95 = 366,261.64 : x
  2. Step 2: Convert to fraction form
    821,505.22/1,232,397.95 = 366,261.64/x
  3. Step 3: Cross multiply
    821,505.22x = 1,232,397.95 × 366,261.64
  4. Step 4: Simplify right side
    821,505.22x = 451,380,089,387.34
  5. Step 5: Solve for x
    x = 451,380,089,387.34/821,505.22
  6. Step 6: Final answer
    x = 549,454.93

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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.