Home / 1,097,781.32-1,646,441.58-309,629

Finding the Fourth Proportional to 1,097,781.32, 1,646,441.58 and 309,629

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Solution

The fourth proportional to 1,097,781.32, 1,646,441.58 and 309,629 is: 464,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,781.32 : 1,646,441.58 = 309,629 : x
  2. Step 2: Convert to fraction form
    1,097,781.32/1,646,441.58 = 309,629/x
  3. Step 3: Cross multiply
    1,097,781.32x = 1,646,441.58 × 309,629
  4. Step 4: Simplify right side
    1,097,781.32x = 509,786,059,973.82
  5. Step 5: Solve for x
    x = 509,786,059,973.82/1,097,781.32
  6. Step 6: Final answer
    x = 464,378.52

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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.