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Finding the Fourth Proportional to 673,380, 929,283.84 and 371,593.44

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Solution

The fourth proportional to 673,380, 929,283.84 and 371,593.44 is: 512,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,380 : 929,283.84 = 371,593.44 : x
  2. Step 2: Convert to fraction form
    673,380/929,283.84 = 371,593.44/x
  3. Step 3: Cross multiply
    673,380x = 929,283.84 × 371,593.44
  4. Step 4: Simplify right side
    673,380x = 345,315,778,842.01
  5. Step 5: Solve for x
    x = 345,315,778,842.01/673,380
  6. Step 6: Final answer
    x = 512,809.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.