Home / 850,625.09-1,275,962.22-318,044.42

Finding the Fourth Proportional to 850,625.09, 1,275,962.22 and 318,044.42

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Solution

The fourth proportional to 850,625.09, 1,275,962.22 and 318,044.42 is: 477,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,625.09 : 1,275,962.22 = 318,044.42 : x
  2. Step 2: Convert to fraction form
    850,625.09/1,275,962.22 = 318,044.42/x
  3. Step 3: Cross multiply
    850,625.09x = 1,275,962.22 × 318,044.42
  4. Step 4: Simplify right side
    850,625.09x = 405,812,657,822.00
  5. Step 5: Solve for x
    x = 405,812,657,822.00/850,625.09
  6. Step 6: Final answer
    x = 477,075.82

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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.