Home / 326,312.56-450,452.64-305,885.44

Finding the Fourth Proportional to 326,312.56, 450,452.64 and 305,885.44

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Solution

The fourth proportional to 326,312.56, 450,452.64 and 305,885.44 is: 422,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,312.56 : 450,452.64 = 305,885.44 : x
  2. Step 2: Convert to fraction form
    326,312.56/450,452.64 = 305,885.44/x
  3. Step 3: Cross multiply
    326,312.56x = 450,452.64 × 305,885.44
  4. Step 4: Simplify right side
    326,312.56x = 137,786,903,985.56
  5. Step 5: Solve for x
    x = 137,786,903,985.56/326,312.56
  6. Step 6: Final answer
    x = 422,254.37

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1.5x scale

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.