Home / 633,789.50-874,629.52-347,320.86

Finding the Fourth Proportional to 633,789.50, 874,629.52 and 347,320.86

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Solution

The fourth proportional to 633,789.50, 874,629.52 and 347,320.86 is: 479,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,789.50 : 874,629.52 = 347,320.86 : x
  2. Step 2: Convert to fraction form
    633,789.50/874,629.52 = 347,320.86/x
  3. Step 3: Cross multiply
    633,789.50x = 874,629.52 × 347,320.86
  4. Step 4: Simplify right side
    633,789.50x = 303,777,077,067.79
  5. Step 5: Solve for x
    x = 303,777,077,067.79/633,789.50
  6. Step 6: Final answer
    x = 479,302.79

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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.