Home / 809,873.40-1,214,118.90-572,469.24

Finding the Fourth Proportional to 809,873.40, 1,214,118.90 and 572,469.24

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Solution

The fourth proportional to 809,873.40, 1,214,118.90 and 572,469.24 is: 858,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,873.40 : 1,214,118.90 = 572,469.24 : x
  2. Step 2: Convert to fraction form
    809,873.40/1,214,118.90 = 572,469.24/x
  3. Step 3: Cross multiply
    809,873.40x = 1,214,118.90 × 572,469.24
  4. Step 4: Simplify right side
    809,873.40x = 695,045,723,952.64
  5. Step 5: Solve for x
    x = 695,045,723,952.64/809,873.40
  6. Step 6: Final answer
    x = 858,215.28

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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.