Home / 886,918.72-1,223,945.76-484,513.60

Finding the Fourth Proportional to 886,918.72, 1,223,945.76 and 484,513.60

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Solution

The fourth proportional to 886,918.72, 1,223,945.76 and 484,513.60 is: 668,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,918.72 : 1,223,945.76 = 484,513.60 : x
  2. Step 2: Convert to fraction form
    886,918.72/1,223,945.76 = 484,513.60/x
  3. Step 3: Cross multiply
    886,918.72x = 1,223,945.76 × 484,513.60
  4. Step 4: Simplify right side
    886,918.72x = 593,018,366,382.34
  5. Step 5: Solve for x
    x = 593,018,366,382.34/886,918.72
  6. Step 6: Final answer
    x = 668,627.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.