Home / 682,739.76-942,535.24-498,771.88

Finding the Fourth Proportional to 682,739.76, 942,535.24 and 498,771.88

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Solution

The fourth proportional to 682,739.76, 942,535.24 and 498,771.88 is: 688,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,739.76 : 942,535.24 = 498,771.88 : x
  2. Step 2: Convert to fraction form
    682,739.76/942,535.24 = 498,771.88/x
  3. Step 3: Cross multiply
    682,739.76x = 942,535.24 × 498,771.88
  4. Step 4: Simplify right side
    682,739.76x = 470,110,073,621.05
  5. Step 5: Solve for x
    x = 470,110,073,621.05/682,739.76
  6. Step 6: Final answer
    x = 688,564.08

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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.