Home / 463,928.20-640,210.48-270,323.82

Finding the Fourth Proportional to 463,928.20, 640,210.48 and 270,323.82

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Solution

The fourth proportional to 463,928.20, 640,210.48 and 270,323.82 is: 373,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,928.20 : 640,210.48 = 270,323.82 : x
  2. Step 2: Convert to fraction form
    463,928.20/640,210.48 = 270,323.82/x
  3. Step 3: Cross multiply
    463,928.20x = 640,210.48 × 270,323.82
  4. Step 4: Simplify right side
    463,928.20x = 173,064,142,557.63
  5. Step 5: Solve for x
    x = 173,064,142,557.63/463,928.20
  6. Step 6: Final answer
    x = 373,040.79

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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.