Home / 571,343.69-788,449.25-313,215.94

Finding the Fourth Proportional to 571,343.69, 788,449.25 and 313,215.94

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Solution

The fourth proportional to 571,343.69, 788,449.25 and 313,215.94 is: 432,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,343.69 : 788,449.25 = 313,215.94 : x
  2. Step 2: Convert to fraction form
    571,343.69/788,449.25 = 313,215.94/x
  3. Step 3: Cross multiply
    571,343.69x = 788,449.25 × 313,215.94
  4. Step 4: Simplify right side
    571,343.69x = 246,954,872,987.81
  5. Step 5: Solve for x
    x = 246,954,872,987.81/571,343.69
  6. Step 6: Final answer
    x = 432,235.24

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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.