Home / 571,215.29-788,245.07-313,043.03

Finding the Fourth Proportional to 571,215.29, 788,245.07 and 313,043.03

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Solution

The fourth proportional to 571,215.29, 788,245.07 and 313,043.03 is: 431,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,215.29 : 788,245.07 = 313,043.03 : x
  2. Step 2: Convert to fraction form
    571,215.29/788,245.07 = 313,043.03/x
  3. Step 3: Cross multiply
    571,215.29x = 788,245.07 × 313,043.03
  4. Step 4: Simplify right side
    571,215.29x = 246,754,624,305.71
  5. Step 5: Solve for x
    x = 246,754,624,305.71/571,215.29
  6. Step 6: Final answer
    x = 431,981.83

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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.