Home / 682,897.42-942,442.05-381,091.42

Finding the Fourth Proportional to 682,897.42, 942,442.05 and 381,091.42

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Solution

The fourth proportional to 682,897.42, 942,442.05 and 381,091.42 is: 525,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,897.42 : 942,442.05 = 381,091.42 : x
  2. Step 2: Convert to fraction form
    682,897.42/942,442.05 = 381,091.42/x
  3. Step 3: Cross multiply
    682,897.42x = 942,442.05 × 381,091.42
  4. Step 4: Simplify right side
    682,897.42x = 359,156,579,102.21
  5. Step 5: Solve for x
    x = 359,156,579,102.21/682,897.42
  6. Step 6: Final answer
    x = 525,930.50

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1.5x scale

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.