Home / 628,756.03-867,548.77-374,057.47

Finding the Fourth Proportional to 628,756.03, 867,548.77 and 374,057.47

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Solution

The fourth proportional to 628,756.03, 867,548.77 and 374,057.47 is: 516,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,756.03 : 867,548.77 = 374,057.47 : x
  2. Step 2: Convert to fraction form
    628,756.03/867,548.77 = 374,057.47/x
  3. Step 3: Cross multiply
    628,756.03x = 867,548.77 × 374,057.47
  4. Step 4: Simplify right side
    628,756.03x = 324,513,098,007.81
  5. Step 5: Solve for x
    x = 324,513,098,007.81/628,756.03
  6. Step 6: Final answer
    x = 516,119.26

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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.