Home / 891,676.71-1,230,535.13-509,739.03

Finding the Fourth Proportional to 891,676.71, 1,230,535.13 and 509,739.03

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Solution

The fourth proportional to 891,676.71, 1,230,535.13 and 509,739.03 is: 703,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,676.71 : 1,230,535.13 = 509,739.03 : x
  2. Step 2: Convert to fraction form
    891,676.71/1,230,535.13 = 509,739.03/x
  3. Step 3: Cross multiply
    891,676.71x = 1,230,535.13 × 509,739.03
  4. Step 4: Simplify right side
    891,676.71x = 627,251,780,998.43
  5. Step 5: Solve for x
    x = 627,251,780,998.43/891,676.71
  6. Step 6: Final answer
    x = 703,452.02

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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.