Home / 571,028.70-788,051.52-326,085.78

Finding the Fourth Proportional to 571,028.70, 788,051.52 and 326,085.78

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Solution

The fourth proportional to 571,028.70, 788,051.52 and 326,085.78 is: 450,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,028.70 : 788,051.52 = 326,085.78 : x
  2. Step 2: Convert to fraction form
    571,028.70/788,051.52 = 326,085.78/x
  3. Step 3: Cross multiply
    571,028.70x = 788,051.52 × 326,085.78
  4. Step 4: Simplify right side
    571,028.70x = 256,972,394,579.39
  5. Step 5: Solve for x
    x = 256,972,394,579.39/571,028.70
  6. Step 6: Final answer
    x = 450,016.60

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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.