Home / 764,034.86-1,054,396.56-458,161.04

Finding the Fourth Proportional to 764,034.86, 1,054,396.56 and 458,161.04

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Solution

The fourth proportional to 764,034.86, 1,054,396.56 and 458,161.04 is: 632,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,034.86 : 1,054,396.56 = 458,161.04 : x
  2. Step 2: Convert to fraction form
    764,034.86/1,054,396.56 = 458,161.04/x
  3. Step 3: Cross multiply
    764,034.86x = 1,054,396.56 × 458,161.04
  4. Step 4: Simplify right side
    764,034.86x = 483,083,416,939.23
  5. Step 5: Solve for x
    x = 483,083,416,939.23/764,034.86
  6. Step 6: Final answer
    x = 632,279.29

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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.