Home / 1,097,757.32-1,646,405.58-309,605

Finding the Fourth Proportional to 1,097,757.32, 1,646,405.58 and 309,605

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Solution

The fourth proportional to 1,097,757.32, 1,646,405.58 and 309,605 is: 464,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,757.32 : 1,646,405.58 = 309,605 : x
  2. Step 2: Convert to fraction form
    1,097,757.32/1,646,405.58 = 309,605/x
  3. Step 3: Cross multiply
    1,097,757.32x = 1,646,405.58 × 309,605
  4. Step 4: Simplify right side
    1,097,757.32x = 509,735,399,595.90
  5. Step 5: Solve for x
    x = 509,735,399,595.90/1,097,757.32
  6. Step 6: Final answer
    x = 464,342.52

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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.