Home / 850,625.08-1,275,962.22-318,044.41

Finding the Fourth Proportional to 850,625.08, 1,275,962.22 and 318,044.41

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Solution

The fourth proportional to 850,625.08, 1,275,962.22 and 318,044.41 is: 477,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,625.08 : 1,275,962.22 = 318,044.41 : x
  2. Step 2: Convert to fraction form
    850,625.08/1,275,962.22 = 318,044.41/x
  3. Step 3: Cross multiply
    850,625.08x = 1,275,962.22 × 318,044.41
  4. Step 4: Simplify right side
    850,625.08x = 405,812,648,252.29
  5. Step 5: Solve for x
    x = 405,812,648,252.29/850,625.08
  6. Step 6: Final answer
    x = 477,075.81

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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.