Home / 775,222.53-1,069,807.95-431,054.75

Finding the Fourth Proportional to 775,222.53, 1,069,807.95 and 431,054.75

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Solution

The fourth proportional to 775,222.53, 1,069,807.95 and 431,054.75 is: 594,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,222.53 : 1,069,807.95 = 431,054.75 : x
  2. Step 2: Convert to fraction form
    775,222.53/1,069,807.95 = 431,054.75/x
  3. Step 3: Cross multiply
    775,222.53x = 1,069,807.95 × 431,054.75
  4. Step 4: Simplify right side
    775,222.53x = 461,145,793,086.22
  5. Step 5: Solve for x
    x = 461,145,793,086.22/775,222.53
  6. Step 6: Final answer
    x = 594,856.03

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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.