Home / 842,341.32-1,263,049.26-414,936.72

Finding the Fourth Proportional to 842,341.32, 1,263,049.26 and 414,936.72

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Solution

The fourth proportional to 842,341.32, 1,263,049.26 and 414,936.72 is: 622,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,341.32 : 1,263,049.26 = 414,936.72 : x
  2. Step 2: Convert to fraction form
    842,341.32/1,263,049.26 = 414,936.72/x
  3. Step 3: Cross multiply
    842,341.32x = 1,263,049.26 × 414,936.72
  4. Step 4: Simplify right side
    842,341.32x = 524,085,514,368.51
  5. Step 5: Solve for x
    x = 524,085,514,368.51/842,341.32
  6. Step 6: Final answer
    x = 622,177.14

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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.