Home / 850,962.87-1,276,665.75-318,525.03

Finding the Fourth Proportional to 850,962.87, 1,276,665.75 and 318,525.03

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Solution

The fourth proportional to 850,962.87, 1,276,665.75 and 318,525.03 is: 477,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,962.87 : 1,276,665.75 = 318,525.03 : x
  2. Step 2: Convert to fraction form
    850,962.87/1,276,665.75 = 318,525.03/x
  3. Step 3: Cross multiply
    850,962.87x = 1,276,665.75 × 318,525.03
  4. Step 4: Simplify right side
    850,962.87x = 406,649,996,318.72
  5. Step 5: Solve for x
    x = 406,649,996,318.72/850,962.87
  6. Step 6: Final answer
    x = 477,870.43

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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.