Home / 397,884.60-596,826.96-380,607.36

Finding the Fourth Proportional to 397,884.60, 596,826.96 and 380,607.36

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Solution

The fourth proportional to 397,884.60, 596,826.96 and 380,607.36 is: 570,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,884.60 : 596,826.96 = 380,607.36 : x
  2. Step 2: Convert to fraction form
    397,884.60/596,826.96 = 380,607.36/x
  3. Step 3: Cross multiply
    397,884.60x = 596,826.96 × 380,607.36
  4. Step 4: Simplify right side
    397,884.60x = 227,156,733,622.43
  5. Step 5: Solve for x
    x = 227,156,733,622.43/397,884.60
  6. Step 6: Final answer
    x = 570,911.10

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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.