Home / 682,627.38-942,026.19-380,821.38

Finding the Fourth Proportional to 682,627.38, 942,026.19 and 380,821.38

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Solution

The fourth proportional to 682,627.38, 942,026.19 and 380,821.38 is: 525,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,627.38 : 942,026.19 = 380,821.38 : x
  2. Step 2: Convert to fraction form
    682,627.38/942,026.19 = 380,821.38/x
  3. Step 3: Cross multiply
    682,627.38x = 942,026.19 × 380,821.38
  4. Step 4: Simplify right side
    682,627.38x = 358,743,711,767.84
  5. Step 5: Solve for x
    x = 358,743,711,767.84/682,627.38
  6. Step 6: Final answer
    x = 525,533.73

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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.