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Finding the Fourth Proportional to 595,609.10, 892,911.78 and 258,396.02

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Solution

The fourth proportional to 595,609.10, 892,911.78 and 258,396.02 is: 387,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,609.10 : 892,911.78 = 258,396.02 : x
  2. Step 2: Convert to fraction form
    595,609.10/892,911.78 = 258,396.02/x
  3. Step 3: Cross multiply
    595,609.10x = 892,911.78 × 258,396.02
  4. Step 4: Simplify right side
    595,609.10x = 230,724,853,342.87
  5. Step 5: Solve for x
    x = 230,724,853,342.87/595,609.10
  6. Step 6: Final answer
    x = 387,376.31

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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.