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Finding the Fourth Proportional to 464,895, 640,827.24 and 303,669.36

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Solution

The fourth proportional to 464,895, 640,827.24 and 303,669.36 is: 418,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,895 : 640,827.24 = 303,669.36 : x
  2. Step 2: Convert to fraction form
    464,895/640,827.24 = 303,669.36/x
  3. Step 3: Cross multiply
    464,895x = 640,827.24 × 303,669.36
  4. Step 4: Simplify right side
    464,895x = 194,599,597,841.37
  5. Step 5: Solve for x
    x = 194,599,597,841.37/464,895
  6. Step 6: Final answer
    x = 418,588.28

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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.