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Finding the Fourth Proportional to 647,104.28, 893,006.90 and 375,333.08

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Solution

The fourth proportional to 647,104.28, 893,006.90 and 375,333.08 is: 517,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,104.28 : 893,006.90 = 375,333.08 : x
  2. Step 2: Convert to fraction form
    647,104.28/893,006.90 = 375,333.08/x
  3. Step 3: Cross multiply
    647,104.28x = 893,006.90 × 375,333.08
  4. Step 4: Simplify right side
    647,104.28x = 335,175,032,001.60
  5. Step 5: Solve for x
    x = 335,175,032,001.60/647,104.28
  6. Step 6: Final answer
    x = 517,961.39

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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.