Home / 764,034.36-1,054,395.87-458,160.54

Finding the Fourth Proportional to 764,034.36, 1,054,395.87 and 458,160.54

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Solution

The fourth proportional to 764,034.36, 1,054,395.87 and 458,160.54 is: 632,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,034.36 : 1,054,395.87 = 458,160.54 : x
  2. Step 2: Convert to fraction form
    764,034.36/1,054,395.87 = 458,160.54/x
  3. Step 3: Cross multiply
    764,034.36x = 1,054,395.87 × 458,160.54
  4. Step 4: Simplify right side
    764,034.36x = 483,082,573,610.19
  5. Step 5: Solve for x
    x = 483,082,573,610.19/764,034.36
  6. Step 6: Final answer
    x = 632,278.60

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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.