Home / 682,627.50-942,026.36-380,821.50

Finding the Fourth Proportional to 682,627.50, 942,026.36 and 380,821.50

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Solution

The fourth proportional to 682,627.50, 942,026.36 and 380,821.50 is: 525,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,627.50 : 942,026.36 = 380,821.50 : x
  2. Step 2: Convert to fraction form
    682,627.50/942,026.36 = 380,821.50/x
  3. Step 3: Cross multiply
    682,627.50x = 942,026.36 × 380,821.50
  4. Step 4: Simplify right side
    682,627.50x = 358,743,889,550.63
  5. Step 5: Solve for x
    x = 358,743,889,550.63/682,627.50
  6. Step 6: Final answer
    x = 525,533.90

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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.