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Finding the Fourth Proportional to 463,941.44, 640,217.76 and 262,738.88

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Solution

The fourth proportional to 463,941.44, 640,217.76 and 262,738.88 is: 362,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,941.44 : 640,217.76 = 262,738.88 : x
  2. Step 2: Convert to fraction form
    463,941.44/640,217.76 = 262,738.88/x
  3. Step 3: Cross multiply
    463,941.44x = 640,217.76 × 262,738.88
  4. Step 4: Simplify right side
    463,941.44x = 168,210,097,218.51
  5. Step 5: Solve for x
    x = 168,210,097,218.51/463,941.44
  6. Step 6: Final answer
    x = 362,567.52

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1.5x scale

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.