Home / 630,213.92-945,741.27-326,887.64

Finding the Fourth Proportional to 630,213.92, 945,741.27 and 326,887.64

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Solution

The fourth proportional to 630,213.92, 945,741.27 and 326,887.64 is: 490,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,213.92 : 945,741.27 = 326,887.64 : x
  2. Step 2: Convert to fraction form
    630,213.92/945,741.27 = 326,887.64/x
  3. Step 3: Cross multiply
    630,213.92x = 945,741.27 × 326,887.64
  4. Step 4: Simplify right side
    630,213.92x = 309,151,131,800.90
  5. Step 5: Solve for x
    x = 309,151,131,800.90/630,213.92
  6. Step 6: Final answer
    x = 490,549.51

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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.