Home / 571,689.58-788,926.26-313,561.27

Finding the Fourth Proportional to 571,689.58, 788,926.26 and 313,561.27

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Solution

The fourth proportional to 571,689.58, 788,926.26 and 313,561.27 is: 432,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,689.58 : 788,926.26 = 313,561.27 : x
  2. Step 2: Convert to fraction form
    571,689.58/788,926.26 = 313,561.27/x
  3. Step 3: Cross multiply
    571,689.58x = 788,926.26 × 313,561.27
  4. Step 4: Simplify right side
    571,689.58x = 247,376,720,021.95
  5. Step 5: Solve for x
    x = 247,376,720,021.95/571,689.58
  6. Step 6: Final answer
    x = 432,711.61

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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.