Home / 756,857.55-1,135,442.04-307,577.41

Finding the Fourth Proportional to 756,857.55, 1,135,442.04 and 307,577.41

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Solution

The fourth proportional to 756,857.55, 1,135,442.04 and 307,577.41 is: 461,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,857.55 : 1,135,442.04 = 307,577.41 : x
  2. Step 2: Convert to fraction form
    756,857.55/1,135,442.04 = 307,577.41/x
  3. Step 3: Cross multiply
    756,857.55x = 1,135,442.04 × 307,577.41
  4. Step 4: Simplify right side
    756,857.55x = 349,236,321,868.32
  5. Step 5: Solve for x
    x = 349,236,321,868.32/756,857.55
  6. Step 6: Final answer
    x = 461,429.40

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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.