Home / 953,419.38-1,428,912.72-446,862.84

Finding the Fourth Proportional to 953,419.38, 1,428,912.72 and 446,862.84

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Solution

The fourth proportional to 953,419.38, 1,428,912.72 and 446,862.84 is: 669,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,419.38 : 1,428,912.72 = 446,862.84 : x
  2. Step 2: Convert to fraction form
    953,419.38/1,428,912.72 = 446,862.84/x
  3. Step 3: Cross multiply
    953,419.38x = 1,428,912.72 × 446,862.84
  4. Step 4: Simplify right side
    953,419.38x = 638,527,996,171.33
  5. Step 5: Solve for x
    x = 638,527,996,171.33/953,419.38
  6. Step 6: Final answer
    x = 669,724.16

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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.