Home / 911,027.25-1,367,369.64-484,921.28

Finding the Fourth Proportional to 911,027.25, 1,367,369.64 and 484,921.28

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Solution

The fourth proportional to 911,027.25, 1,367,369.64 and 484,921.28 is: 727,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,027.25 : 1,367,369.64 = 484,921.28 : x
  2. Step 2: Convert to fraction form
    911,027.25/1,367,369.64 = 484,921.28/x
  3. Step 3: Cross multiply
    911,027.25x = 1,367,369.64 × 484,921.28
  4. Step 4: Simplify right side
    911,027.25x = 663,066,639,480.36
  5. Step 5: Solve for x
    x = 663,066,639,480.36/911,027.25
  6. Step 6: Final answer
    x = 727,823.06

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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.