Home / 447,236.34-671,165.58-289,072.50

Finding the Fourth Proportional to 447,236.34, 671,165.58 and 289,072.50

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Solution

The fourth proportional to 447,236.34, 671,165.58 and 289,072.50 is: 433,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,236.34 : 671,165.58 = 289,072.50 : x
  2. Step 2: Convert to fraction form
    447,236.34/671,165.58 = 289,072.50/x
  3. Step 3: Cross multiply
    447,236.34x = 671,165.58 × 289,072.50
  4. Step 4: Simplify right side
    447,236.34x = 194,015,512,124.55
  5. Step 5: Solve for x
    x = 194,015,512,124.55/447,236.34
  6. Step 6: Final answer
    x = 433,809.81

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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.