Home / 328,416.36-492,777.66-323,109.24

Finding the Fourth Proportional to 328,416.36, 492,777.66 and 323,109.24

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Solution

The fourth proportional to 328,416.36, 492,777.66 and 323,109.24 is: 484,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,416.36 : 492,777.66 = 323,109.24 : x
  2. Step 2: Convert to fraction form
    328,416.36/492,777.66 = 323,109.24/x
  3. Step 3: Cross multiply
    328,416.36x = 492,777.66 × 323,109.24
  4. Step 4: Simplify right side
    328,416.36x = 159,221,015,211.58
  5. Step 5: Solve for x
    x = 159,221,015,211.58/328,416.36
  6. Step 6: Final answer
    x = 484,814.51

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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.