Home / 863,973.29-1,296,538.39-358,534.76

Finding the Fourth Proportional to 863,973.29, 1,296,538.39 and 358,534.76

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Solution

The fourth proportional to 863,973.29, 1,296,538.39 and 358,534.76 is: 538,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,973.29 : 1,296,538.39 = 358,534.76 : x
  2. Step 2: Convert to fraction form
    863,973.29/1,296,538.39 = 358,534.76/x
  3. Step 3: Cross multiply
    863,973.29x = 1,296,538.39 × 358,534.76
  4. Step 4: Simplify right side
    863,973.29x = 464,854,080,489.44
  5. Step 5: Solve for x
    x = 464,854,080,489.44/863,973.29
  6. Step 6: Final answer
    x = 538,042.19

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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.