Home / 858,200.22-1,287,008.73-297,103.50

Finding the Fourth Proportional to 858,200.22, 1,287,008.73 and 297,103.50

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Solution

The fourth proportional to 858,200.22, 1,287,008.73 and 297,103.50 is: 445,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,200.22 : 1,287,008.73 = 297,103.50 : x
  2. Step 2: Convert to fraction form
    858,200.22/1,287,008.73 = 297,103.50/x
  3. Step 3: Cross multiply
    858,200.22x = 1,287,008.73 × 297,103.50
  4. Step 4: Simplify right side
    858,200.22x = 382,374,798,213.56
  5. Step 5: Solve for x
    x = 382,374,798,213.56/858,200.22
  6. Step 6: Final answer
    x = 445,554.30

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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.