Home / 786,991.72-1,180,489.46-218,403.31

Finding the Fourth Proportional to 786,991.72, 1,180,489.46 and 218,403.31

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Solution

The fourth proportional to 786,991.72, 1,180,489.46 and 218,403.31 is: 327,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,991.72 : 1,180,489.46 = 218,403.31 : x
  2. Step 2: Convert to fraction form
    786,991.72/1,180,489.46 = 218,403.31/x
  3. Step 3: Cross multiply
    786,991.72x = 1,180,489.46 × 218,403.31
  4. Step 4: Simplify right side
    786,991.72x = 257,822,805,484.11
  5. Step 5: Solve for x
    x = 257,822,805,484.11/786,991.72
  6. Step 6: Final answer
    x = 327,605.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.