Home / 721,557.54-1,082,016.36-384,535.37

Finding the Fourth Proportional to 721,557.54, 1,082,016.36 and 384,535.37

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Solution

The fourth proportional to 721,557.54, 1,082,016.36 and 384,535.37 is: 576,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,557.54 : 1,082,016.36 = 384,535.37 : x
  2. Step 2: Convert to fraction form
    721,557.54/1,082,016.36 = 384,535.37/x
  3. Step 3: Cross multiply
    721,557.54x = 1,082,016.36 × 384,535.37
  4. Step 4: Simplify right side
    721,557.54x = 416,073,564,043.69
  5. Step 5: Solve for x
    x = 416,073,564,043.69/721,557.54
  6. Step 6: Final answer
    x = 576,632.55

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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.