Home / 775,333.21-1,069,877.94-431,113.62

Finding the Fourth Proportional to 775,333.21, 1,069,877.94 and 431,113.62

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Solution

The fourth proportional to 775,333.21, 1,069,877.94 and 431,113.62 is: 594,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,333.21 : 1,069,877.94 = 431,113.62 : x
  2. Step 2: Convert to fraction form
    775,333.21/1,069,877.94 = 431,113.62/x
  3. Step 3: Cross multiply
    775,333.21x = 1,069,877.94 × 431,113.62
  4. Step 4: Simplify right side
    775,333.21x = 461,238,951,671.54
  5. Step 5: Solve for x
    x = 461,238,951,671.54/775,333.21
  6. Step 6: Final answer
    x = 594,891.26

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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.