Home / 347,664.20-520,718.70-301,008.20

Finding the Fourth Proportional to 347,664.20, 520,718.70 and 301,008.20

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Solution

The fourth proportional to 347,664.20, 520,718.70 and 301,008.20 is: 450,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,664.20 : 520,718.70 = 301,008.20 : x
  2. Step 2: Convert to fraction form
    347,664.20/520,718.70 = 301,008.20/x
  3. Step 3: Cross multiply
    347,664.20x = 520,718.70 × 301,008.20
  4. Step 4: Simplify right side
    347,664.20x = 156,740,598,593.34
  5. Step 5: Solve for x
    x = 156,740,598,593.34/347,664.20
  6. Step 6: Final answer
    x = 450,839.05

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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.