Home / 630,090.36-945,148.50-351,381.24

Finding the Fourth Proportional to 630,090.36, 945,148.50 and 351,381.24

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Solution

The fourth proportional to 630,090.36, 945,148.50 and 351,381.24 is: 527,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090.36 : 945,148.50 = 351,381.24 : x
  2. Step 2: Convert to fraction form
    630,090.36/945,148.50 = 351,381.24/x
  3. Step 3: Cross multiply
    630,090.36x = 945,148.50 × 351,381.24
  4. Step 4: Simplify right side
    630,090.36x = 332,107,451,914.14
  5. Step 5: Solve for x
    x = 332,107,451,914.14/630,090.36
  6. Step 6: Final answer
    x = 527,079.09

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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.