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Finding the Fourth Proportional to 704,006.04, 971,468.28 and 398,067.44

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Solution

The fourth proportional to 704,006.04, 971,468.28 and 398,067.44 is: 549,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,006.04 : 971,468.28 = 398,067.44 : x
  2. Step 2: Convert to fraction form
    704,006.04/971,468.28 = 398,067.44/x
  3. Step 3: Cross multiply
    704,006.04x = 971,468.28 × 398,067.44
  4. Step 4: Simplify right side
    704,006.04x = 386,709,891,260.80
  5. Step 5: Solve for x
    x = 386,709,891,260.80/704,006.04
  6. Step 6: Final answer
    x = 549,299.11

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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.