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Finding the Fourth Proportional to 636,012.60, 892,779.60 and 636,012.60

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Solution

The fourth proportional to 636,012.60, 892,779.60 and 636,012.60 is: 892,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,012.60 : 892,779.60 = 636,012.60 : x
  2. Step 2: Convert to fraction form
    636,012.60/892,779.60 = 636,012.60/x
  3. Step 3: Cross multiply
    636,012.60x = 892,779.60 × 636,012.60
  4. Step 4: Simplify right side
    636,012.60x = 567,819,074,622.96
  5. Step 5: Solve for x
    x = 567,819,074,622.96/636,012.60
  6. Step 6: Final answer
    x = 892,779.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.