Home / 687,768.85-1,031,603.73-182,318.32

Finding the Fourth Proportional to 687,768.85, 1,031,603.73 and 182,318.32

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Solution

The fourth proportional to 687,768.85, 1,031,603.73 and 182,318.32 is: 273,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,768.85 : 1,031,603.73 = 182,318.32 : x
  2. Step 2: Convert to fraction form
    687,768.85/1,031,603.73 = 182,318.32/x
  3. Step 3: Cross multiply
    687,768.85x = 1,031,603.73 × 182,318.32
  4. Step 4: Simplify right side
    687,768.85x = 188,080,258,959.33
  5. Step 5: Solve for x
    x = 188,080,258,959.33/687,768.85
  6. Step 6: Final answer
    x = 273,464.35

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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.