Home / 853,250.60-1,279,380.73-403,967.67

Finding the Fourth Proportional to 853,250.60, 1,279,380.73 and 403,967.67

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Solution

The fourth proportional to 853,250.60, 1,279,380.73 and 403,967.67 is: 605,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,250.60 : 1,279,380.73 = 403,967.67 : x
  2. Step 2: Convert to fraction form
    853,250.60/1,279,380.73 = 403,967.67/x
  3. Step 3: Cross multiply
    853,250.60x = 1,279,380.73 × 403,967.67
  4. Step 4: Simplify right side
    853,250.60x = 516,828,452,541.00
  5. Step 5: Solve for x
    x = 516,828,452,541.00/853,250.60
  6. Step 6: Final answer
    x = 605,717.07

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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.