Home / 676,783.45-1,015,137.80-227,457.92

Finding the Fourth Proportional to 676,783.45, 1,015,137.80 and 227,457.92

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Solution

The fourth proportional to 676,783.45, 1,015,137.80 and 227,457.92 is: 341,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,783.45 : 1,015,137.80 = 227,457.92 : x
  2. Step 2: Convert to fraction form
    676,783.45/1,015,137.80 = 227,457.92/x
  3. Step 3: Cross multiply
    676,783.45x = 1,015,137.80 × 227,457.92
  4. Step 4: Simplify right side
    676,783.45x = 230,901,134,754.90
  5. Step 5: Solve for x
    x = 230,901,134,754.90/676,783.45
  6. Step 6: Final answer
    x = 341,174.32

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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.