Home / 567,628.59-783,287.37-312,974.31

Finding the Fourth Proportional to 567,628.59, 783,287.37 and 312,974.31

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Solution

The fourth proportional to 567,628.59, 783,287.37 and 312,974.31 is: 431,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,628.59 : 783,287.37 = 312,974.31 : x
  2. Step 2: Convert to fraction form
    567,628.59/783,287.37 = 312,974.31/x
  3. Step 3: Cross multiply
    567,628.59x = 783,287.37 × 312,974.31
  4. Step 4: Simplify right side
    567,628.59x = 245,148,824,157.47
  5. Step 5: Solve for x
    x = 245,148,824,157.47/567,628.59
  6. Step 6: Final answer
    x = 431,882.45

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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.