Home / 567,629.59-783,288.75-312,975.31

Finding the Fourth Proportional to 567,629.59, 783,288.75 and 312,975.31

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Solution

The fourth proportional to 567,629.59, 783,288.75 and 312,975.31 is: 431,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,629.59 : 783,288.75 = 312,975.31 : x
  2. Step 2: Convert to fraction form
    567,629.59/783,288.75 = 312,975.31/x
  3. Step 3: Cross multiply
    567,629.59x = 783,288.75 × 312,975.31
  4. Step 4: Simplify right side
    567,629.59x = 245,150,039,350.76
  5. Step 5: Solve for x
    x = 245,150,039,350.76/567,629.59
  6. Step 6: Final answer
    x = 431,883.83

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1.5x scale

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.