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Finding the Fourth Proportional to 623,769.82, 860,801.75 and 337,289.22

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Solution

The fourth proportional to 623,769.82, 860,801.75 and 337,289.22 is: 465,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,769.82 : 860,801.75 = 337,289.22 : x
  2. Step 2: Convert to fraction form
    623,769.82/860,801.75 = 337,289.22/x
  3. Step 3: Cross multiply
    623,769.82x = 860,801.75 × 337,289.22
  4. Step 4: Simplify right side
    623,769.82x = 290,339,150,660.03
  5. Step 5: Solve for x
    x = 290,339,150,660.03/623,769.82
  6. Step 6: Final answer
    x = 465,458.80

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1.5x scale

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.