Home / 785,005.44-1,083,448.89-462,696.72

Finding the Fourth Proportional to 785,005.44, 1,083,448.89 and 462,696.72

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Solution

The fourth proportional to 785,005.44, 1,083,448.89 and 462,696.72 is: 638,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,005.44 : 1,083,448.89 = 462,696.72 : x
  2. Step 2: Convert to fraction form
    785,005.44/1,083,448.89 = 462,696.72/x
  3. Step 3: Cross multiply
    785,005.44x = 1,083,448.89 × 462,696.72
  4. Step 4: Simplify right side
    785,005.44x = 501,308,247,690.64
  5. Step 5: Solve for x
    x = 501,308,247,690.64/785,005.44
  6. Step 6: Final answer
    x = 638,604.81

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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.