Home / 481,032.36-721,335.33-256,350.96

Finding the Fourth Proportional to 481,032.36, 721,335.33 and 256,350.96

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Solution

The fourth proportional to 481,032.36, 721,335.33 and 256,350.96 is: 384,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,032.36 : 721,335.33 = 256,350.96 : x
  2. Step 2: Convert to fraction form
    481,032.36/721,335.33 = 256,350.96/x
  3. Step 3: Cross multiply
    481,032.36x = 721,335.33 × 256,350.96
  4. Step 4: Simplify right side
    481,032.36x = 184,915,004,327.42
  5. Step 5: Solve for x
    x = 184,915,004,327.42/481,032.36
  6. Step 6: Final answer
    x = 384,412.82

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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.