Home / 464,513.08-640,995.76-273,485.92

Finding the Fourth Proportional to 464,513.08, 640,995.76 and 273,485.92

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Solution

The fourth proportional to 464,513.08, 640,995.76 and 273,485.92 is: 377,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,513.08 : 640,995.76 = 273,485.92 : x
  2. Step 2: Convert to fraction form
    464,513.08/640,995.76 = 273,485.92/x
  3. Step 3: Cross multiply
    464,513.08x = 640,995.76 × 273,485.92
  4. Step 4: Simplify right side
    464,513.08x = 175,303,315,139.70
  5. Step 5: Solve for x
    x = 175,303,315,139.70/464,513.08
  6. Step 6: Final answer
    x = 377,391.56

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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.