Home / 850,693.12-1,276,288.80-251,670.16

Finding the Fourth Proportional to 850,693.12, 1,276,288.80 and 251,670.16

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Solution

The fourth proportional to 850,693.12, 1,276,288.80 and 251,670.16 is: 377,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,693.12 : 1,276,288.80 = 251,670.16 : x
  2. Step 2: Convert to fraction form
    850,693.12/1,276,288.80 = 251,670.16/x
  3. Step 3: Cross multiply
    850,693.12x = 1,276,288.80 × 251,670.16
  4. Step 4: Simplify right side
    850,693.12x = 321,203,806,502.21
  5. Step 5: Solve for x
    x = 321,203,806,502.21/850,693.12
  6. Step 6: Final answer
    x = 377,578.94

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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.