Home / 775,578.18-1,162,739.70-348,801.45

Finding the Fourth Proportional to 775,578.18, 1,162,739.70 and 348,801.45

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Solution

The fourth proportional to 775,578.18, 1,162,739.70 and 348,801.45 is: 522,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,578.18 : 1,162,739.70 = 348,801.45 : x
  2. Step 2: Convert to fraction form
    775,578.18/1,162,739.70 = 348,801.45/x
  3. Step 3: Cross multiply
    775,578.18x = 1,162,739.70 × 348,801.45
  4. Step 4: Simplify right side
    775,578.18x = 405,565,293,332.57
  5. Step 5: Solve for x
    x = 405,565,293,332.57/775,578.18
  6. Step 6: Final answer
    x = 522,919.94

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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.