Home / 849,072.75-1,171,730.07-486,489.33

Finding the Fourth Proportional to 849,072.75, 1,171,730.07 and 486,489.33

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Solution

The fourth proportional to 849,072.75, 1,171,730.07 and 486,489.33 is: 671,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,072.75 : 1,171,730.07 = 486,489.33 : x
  2. Step 2: Convert to fraction form
    849,072.75/1,171,730.07 = 486,489.33/x
  3. Step 3: Cross multiply
    849,072.75x = 1,171,730.07 × 486,489.33
  4. Step 4: Simplify right side
    849,072.75x = 570,034,168,404.06
  5. Step 5: Solve for x
    x = 570,034,168,404.06/849,072.75
  6. Step 6: Final answer
    x = 671,360.81

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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.