Home / 850,384.08-1,275,577.72-798,420.96

Finding the Fourth Proportional to 850,384.08, 1,275,577.72 and 798,420.96

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Solution

The fourth proportional to 850,384.08, 1,275,577.72 and 798,420.96 is: 1,197,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,384.08 : 1,275,577.72 = 798,420.96 : x
  2. Step 2: Convert to fraction form
    850,384.08/1,275,577.72 = 798,420.96/x
  3. Step 3: Cross multiply
    850,384.08x = 1,275,577.72 × 798,420.96
  4. Step 4: Simplify right side
    850,384.08x = 1,018,447,987,757.01
  5. Step 5: Solve for x
    x = 1,018,447,987,757.01/850,384.08
  6. Step 6: Final answer
    x = 1,197,632.94

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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.