Home / 847,926.94-1,170,204.27-485,464.49

Finding the Fourth Proportional to 847,926.94, 1,170,204.27 and 485,464.49

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Solution

The fourth proportional to 847,926.94, 1,170,204.27 and 485,464.49 is: 669,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,926.94 : 1,170,204.27 = 485,464.49 : x
  2. Step 2: Convert to fraction form
    847,926.94/1,170,204.27 = 485,464.49/x
  3. Step 3: Cross multiply
    847,926.94x = 1,170,204.27 × 485,464.49
  4. Step 4: Simplify right side
    847,926.94x = 568,092,619,131.37
  5. Step 5: Solve for x
    x = 568,092,619,131.37/847,926.94
  6. Step 6: Final answer
    x = 669,978.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.