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Finding the Fourth Proportional to 460,483.84, 635,224.44 and 316,995.58

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Solution

The fourth proportional to 460,483.84, 635,224.44 and 316,995.58 is: 437,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,483.84 : 635,224.44 = 316,995.58 : x
  2. Step 2: Convert to fraction form
    460,483.84/635,224.44 = 316,995.58/x
  3. Step 3: Cross multiply
    460,483.84x = 635,224.44 × 316,995.58
  4. Step 4: Simplify right side
    460,483.84x = 201,363,339,787.98
  5. Step 5: Solve for x
    x = 201,363,339,787.98/460,483.84
  6. Step 6: Final answer
    x = 437,286.44

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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.