Home / 773,840.20-1,159,010.70-458,912.20

Finding the Fourth Proportional to 773,840.20, 1,159,010.70 and 458,912.20

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Solution

The fourth proportional to 773,840.20, 1,159,010.70 and 458,912.20 is: 687,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,840.20 : 1,159,010.70 = 458,912.20 : x
  2. Step 2: Convert to fraction form
    773,840.20/1,159,010.70 = 458,912.20/x
  3. Step 3: Cross multiply
    773,840.20x = 1,159,010.70 × 458,912.20
  4. Step 4: Simplify right side
    773,840.20x = 531,884,150,160.54
  5. Step 5: Solve for x
    x = 531,884,150,160.54/773,840.20
  6. Step 6: Final answer
    x = 687,330.73

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1.5x scale

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.