Home / 685,227.60-1,029,007.80-507,934.80

Finding the Fourth Proportional to 685,227.60, 1,029,007.80 and 507,934.80

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Solution

The fourth proportional to 685,227.60, 1,029,007.80 and 507,934.80 is: 762,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,227.60 : 1,029,007.80 = 507,934.80 : x
  2. Step 2: Convert to fraction form
    685,227.60/1,029,007.80 = 507,934.80/x
  3. Step 3: Cross multiply
    685,227.60x = 1,029,007.80 × 507,934.80
  4. Step 4: Simplify right side
    685,227.60x = 522,668,871,091.44
  5. Step 5: Solve for x
    x = 522,668,871,091.44/685,227.60
  6. Step 6: Final answer
    x = 762,766.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.