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Finding the Fourth Proportional to 595,272.66, 821,485.11 and 323,345.86

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Solution

The fourth proportional to 595,272.66, 821,485.11 and 323,345.86 is: 446,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,272.66 : 821,485.11 = 323,345.86 : x
  2. Step 2: Convert to fraction form
    595,272.66/821,485.11 = 323,345.86/x
  3. Step 3: Cross multiply
    595,272.66x = 821,485.11 × 323,345.86
  4. Step 4: Simplify right side
    595,272.66x = 265,623,809,370.15
  5. Step 5: Solve for x
    x = 265,623,809,370.15/595,272.66
  6. Step 6: Final answer
    x = 446,222.09

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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.