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Finding the Fourth Proportional to 623,508.44, 860,441.46 and 337,028.36

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Solution

The fourth proportional to 623,508.44, 860,441.46 and 337,028.36 is: 465,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,508.44 : 860,441.46 = 337,028.36 : x
  2. Step 2: Convert to fraction form
    623,508.44/860,441.46 = 337,028.36/x
  3. Step 3: Cross multiply
    623,508.44x = 860,441.46 × 337,028.36
  4. Step 4: Simplify right side
    623,508.44x = 289,993,174,139.81
  5. Step 5: Solve for x
    x = 289,993,174,139.81/623,508.44
  6. Step 6: Final answer
    x = 465,099.04

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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.