Home / 612,399.24-845,129.30-336,742.83

Finding the Fourth Proportional to 612,399.24, 845,129.30 and 336,742.83

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Solution

The fourth proportional to 612,399.24, 845,129.30 and 336,742.83 is: 464,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,399.24 : 845,129.30 = 336,742.83 : x
  2. Step 2: Convert to fraction form
    612,399.24/845,129.30 = 336,742.83/x
  3. Step 3: Cross multiply
    612,399.24x = 845,129.30 × 336,742.83
  4. Step 4: Simplify right side
    612,399.24x = 284,591,230,514.21
  5. Step 5: Solve for x
    x = 284,591,230,514.21/612,399.24
  6. Step 6: Final answer
    x = 464,715.19

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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.