Home / 948,990.35-1,309,606.68-519,270.48

Finding the Fourth Proportional to 948,990.35, 1,309,606.68 and 519,270.48

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Solution

The fourth proportional to 948,990.35, 1,309,606.68 and 519,270.48 is: 716,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,990.35 : 1,309,606.68 = 519,270.48 : x
  2. Step 2: Convert to fraction form
    948,990.35/1,309,606.68 = 519,270.48/x
  3. Step 3: Cross multiply
    948,990.35x = 1,309,606.68 × 519,270.48
  4. Step 4: Simplify right side
    948,990.35x = 680,040,089,334.81
  5. Step 5: Solve for x
    x = 680,040,089,334.81/948,990.35
  6. Step 6: Final answer
    x = 716,593.26

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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.