Home / 1,031,367.78-1,547,046.93-321,396.30

Finding the Fourth Proportional to 1,031,367.78, 1,547,046.93 and 321,396.30

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Solution

The fourth proportional to 1,031,367.78, 1,547,046.93 and 321,396.30 is: 482,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,367.78 : 1,547,046.93 = 321,396.30 : x
  2. Step 2: Convert to fraction form
    1,031,367.78/1,547,046.93 = 321,396.30/x
  3. Step 3: Cross multiply
    1,031,367.78x = 1,547,046.93 × 321,396.30
  4. Step 4: Simplify right side
    1,031,367.78x = 497,215,159,228.36
  5. Step 5: Solve for x
    x = 497,215,159,228.36/1,031,367.78
  6. Step 6: Final answer
    x = 482,092.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.