Home / 809,507.16-1,214,124.24-297,066.32

Finding the Fourth Proportional to 809,507.16, 1,214,124.24 and 297,066.32

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Solution

The fourth proportional to 809,507.16, 1,214,124.24 and 297,066.32 is: 445,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,507.16 : 1,214,124.24 = 297,066.32 : x
  2. Step 2: Convert to fraction form
    809,507.16/1,214,124.24 = 297,066.32/x
  3. Step 3: Cross multiply
    809,507.16x = 1,214,124.24 × 297,066.32
  4. Step 4: Simplify right side
    809,507.16x = 360,675,419,999.60
  5. Step 5: Solve for x
    x = 360,675,419,999.60/809,507.16
  6. Step 6: Final answer
    x = 445,549.39

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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.