Home / 837,662.40-1,256,016.32-571,744.96

Finding the Fourth Proportional to 837,662.40, 1,256,016.32 and 571,744.96

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Solution

The fourth proportional to 837,662.40, 1,256,016.32 and 571,744.96 is: 857,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,662.40 : 1,256,016.32 = 571,744.96 : x
  2. Step 2: Convert to fraction form
    837,662.40/1,256,016.32 = 571,744.96/x
  3. Step 3: Cross multiply
    837,662.40x = 1,256,016.32 × 571,744.96
  4. Step 4: Simplify right side
    837,662.40x = 718,121,000,637.75
  5. Step 5: Solve for x
    x = 718,121,000,637.75/837,662.40
  6. Step 6: Final answer
    x = 857,291.67

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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.