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Finding the Fourth Proportional to 941,307, 1,299,005.58 and 517,371

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Solution

The fourth proportional to 941,307, 1,299,005.58 and 517,371 is: 713,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,307 : 1,299,005.58 = 517,371 : x
  2. Step 2: Convert to fraction form
    941,307/1,299,005.58 = 517,371/x
  3. Step 3: Cross multiply
    941,307x = 1,299,005.58 × 517,371
  4. Step 4: Simplify right side
    941,307x = 672,067,815,930.18
  5. Step 5: Solve for x
    x = 672,067,815,930.18/941,307
  6. Step 6: Final answer
    x = 713,973.04

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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.