Home / 843,648.45-1,265,604.50-274,897.63

Finding the Fourth Proportional to 843,648.45, 1,265,604.50 and 274,897.63

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Solution

The fourth proportional to 843,648.45, 1,265,604.50 and 274,897.63 is: 412,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,648.45 : 1,265,604.50 = 274,897.63 : x
  2. Step 2: Convert to fraction form
    843,648.45/1,265,604.50 = 274,897.63/x
  3. Step 3: Cross multiply
    843,648.45x = 1,265,604.50 × 274,897.63
  4. Step 4: Simplify right side
    843,648.45x = 347,911,677,567.34
  5. Step 5: Solve for x
    x = 347,911,677,567.34/843,648.45
  6. Step 6: Final answer
    x = 412,389.40

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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.