Home / 850,716.03-1,276,663.41-338,328.66

Finding the Fourth Proportional to 850,716.03, 1,276,663.41 and 338,328.66

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Solution

The fourth proportional to 850,716.03, 1,276,663.41 and 338,328.66 is: 507,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,716.03 : 1,276,663.41 = 338,328.66 : x
  2. Step 2: Convert to fraction form
    850,716.03/1,276,663.41 = 338,328.66/x
  3. Step 3: Cross multiply
    850,716.03x = 1,276,663.41 × 338,328.66
  4. Step 4: Simplify right side
    850,716.03x = 431,931,820,776.33
  5. Step 5: Solve for x
    x = 431,931,820,776.33/850,716.03
  6. Step 6: Final answer
    x = 507,727.38

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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.