Home / 607,920.43-839,034.37-353,419.24

Finding the Fourth Proportional to 607,920.43, 839,034.37 and 353,419.24

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Solution

The fourth proportional to 607,920.43, 839,034.37 and 353,419.24 is: 487,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,920.43 : 839,034.37 = 353,419.24 : x
  2. Step 2: Convert to fraction form
    607,920.43/839,034.37 = 353,419.24/x
  3. Step 3: Cross multiply
    607,920.43x = 839,034.37 × 353,419.24
  4. Step 4: Simplify right side
    607,920.43x = 296,530,889,379.28
  5. Step 5: Solve for x
    x = 296,530,889,379.28/607,920.43
  6. Step 6: Final answer
    x = 487,779.12

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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.