Home / 456,431.22-684,447.08-216,613.85

Finding the Fourth Proportional to 456,431.22, 684,447.08 and 216,613.85

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Solution

The fourth proportional to 456,431.22, 684,447.08 and 216,613.85 is: 324,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,431.22 : 684,447.08 = 216,613.85 : x
  2. Step 2: Convert to fraction form
    456,431.22/684,447.08 = 216,613.85/x
  3. Step 3: Cross multiply
    456,431.22x = 684,447.08 × 216,613.85
  4. Step 4: Simplify right side
    456,431.22x = 148,260,712,614.75
  5. Step 5: Solve for x
    x = 148,260,712,614.75/456,431.22
  6. Step 6: Final answer
    x = 324,825.97

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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.