Home / 718,108.48-1,077,045.88-339,028.48

Finding the Fourth Proportional to 718,108.48, 1,077,045.88 and 339,028.48

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Solution

The fourth proportional to 718,108.48, 1,077,045.88 and 339,028.48 is: 508,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,108.48 : 1,077,045.88 = 339,028.48 : x
  2. Step 2: Convert to fraction form
    718,108.48/1,077,045.88 = 339,028.48/x
  3. Step 3: Cross multiply
    718,108.48x = 1,077,045.88 × 339,028.48
  4. Step 4: Simplify right side
    718,108.48x = 365,149,227,586.66
  5. Step 5: Solve for x
    x = 365,149,227,586.66/718,108.48
  6. Step 6: Final answer
    x = 508,487.56

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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.