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Finding the Fourth Proportional to 548,419.44, 822,297.04 and 358,650.76

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Solution

The fourth proportional to 548,419.44, 822,297.04 and 358,650.76 is: 537,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,419.44 : 822,297.04 = 358,650.76 : x
  2. Step 2: Convert to fraction form
    548,419.44/822,297.04 = 358,650.76/x
  3. Step 3: Cross multiply
    548,419.44x = 822,297.04 × 358,650.76
  4. Step 4: Simplify right side
    548,419.44x = 294,917,458,341.75
  5. Step 5: Solve for x
    x = 294,917,458,341.75/548,419.44
  6. Step 6: Final answer
    x = 537,758.94

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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.