Home / 893,739.86-1,233,366.80-485,845.22

Finding the Fourth Proportional to 893,739.86, 1,233,366.80 and 485,845.22

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Solution

The fourth proportional to 893,739.86, 1,233,366.80 and 485,845.22 is: 670,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,739.86 : 1,233,366.80 = 485,845.22 : x
  2. Step 2: Convert to fraction form
    893,739.86/1,233,366.80 = 485,845.22/x
  3. Step 3: Cross multiply
    893,739.86x = 1,233,366.80 × 485,845.22
  4. Step 4: Simplify right side
    893,739.86x = 599,225,367,673.77
  5. Step 5: Solve for x
    x = 599,225,367,673.77/893,739.86
  6. Step 6: Final answer
    x = 670,469.56

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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.