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Finding the Fourth Proportional to 594,779.55, 820,796.42 and 322,847.40

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Solution

The fourth proportional to 594,779.55, 820,796.42 and 322,847.40 is: 445,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,779.55 : 820,796.42 = 322,847.40 : x
  2. Step 2: Convert to fraction form
    594,779.55/820,796.42 = 322,847.40/x
  3. Step 3: Cross multiply
    594,779.55x = 820,796.42 × 322,847.40
  4. Step 4: Simplify right side
    594,779.55x = 264,991,990,126.31
  5. Step 5: Solve for x
    x = 264,991,990,126.31/594,779.55
  6. Step 6: Final answer
    x = 445,529.76

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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.