Home / 816,802.67-1,127,026.27-494,542.75

Finding the Fourth Proportional to 816,802.67, 1,127,026.27 and 494,542.75

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Solution

The fourth proportional to 816,802.67, 1,127,026.27 and 494,542.75 is: 682,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,802.67 : 1,127,026.27 = 494,542.75 : x
  2. Step 2: Convert to fraction form
    816,802.67/1,127,026.27 = 494,542.75/x
  3. Step 3: Cross multiply
    816,802.67x = 1,127,026.27 × 494,542.75
  4. Step 4: Simplify right side
    816,802.67x = 557,362,670,888.04
  5. Step 5: Solve for x
    x = 557,362,670,888.04/816,802.67
  6. Step 6: Final answer
    x = 682,371.26

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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.