Home / 957,399.90-1,434,204.45-620,674.80

Finding the Fourth Proportional to 957,399.90, 1,434,204.45 and 620,674.80

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Solution

The fourth proportional to 957,399.90, 1,434,204.45 and 620,674.80 is: 929,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,399.90 : 1,434,204.45 = 620,674.80 : x
  2. Step 2: Convert to fraction form
    957,399.90/1,434,204.45 = 620,674.80/x
  3. Step 3: Cross multiply
    957,399.90x = 1,434,204.45 × 620,674.80
  4. Step 4: Simplify right side
    957,399.90x = 890,174,560,162.86
  5. Step 5: Solve for x
    x = 890,174,560,162.86/957,399.90
  6. Step 6: Final answer
    x = 929,783.43

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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.