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Finding the Fourth Proportional to 623,038.44, 859,792.32 and 336,558.48

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Solution

The fourth proportional to 623,038.44, 859,792.32 and 336,558.48 is: 464,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,038.44 : 859,792.32 = 336,558.48 : x
  2. Step 2: Convert to fraction form
    623,038.44/859,792.32 = 336,558.48/x
  3. Step 3: Cross multiply
    623,038.44x = 859,792.32 × 336,558.48
  4. Step 4: Simplify right side
    623,038.44x = 289,370,396,334.87
  5. Step 5: Solve for x
    x = 289,370,396,334.87/623,038.44
  6. Step 6: Final answer
    x = 464,450.31

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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.