Home / 893,670.63-1,233,263.09-485,772.45

Finding the Fourth Proportional to 893,670.63, 1,233,263.09 and 485,772.45

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Solution

The fourth proportional to 893,670.63, 1,233,263.09 and 485,772.45 is: 670,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,670.63 : 1,233,263.09 = 485,772.45 : x
  2. Step 2: Convert to fraction form
    893,670.63/1,233,263.09 = 485,772.45/x
  3. Step 3: Cross multiply
    893,670.63x = 1,233,263.09 × 485,772.45
  4. Step 4: Simplify right side
    893,670.63x = 599,085,230,295.01
  5. Step 5: Solve for x
    x = 599,085,230,295.01/893,670.63
  6. Step 6: Final answer
    x = 670,364.68

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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.