Home / 821,761.68-1,134,179.88-531,730.32

Finding the Fourth Proportional to 821,761.68, 1,134,179.88 and 531,730.32

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Solution

The fourth proportional to 821,761.68, 1,134,179.88 and 531,730.32 is: 733,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,761.68 : 1,134,179.88 = 531,730.32 : x
  2. Step 2: Convert to fraction form
    821,761.68/1,134,179.88 = 531,730.32/x
  3. Step 3: Cross multiply
    821,761.68x = 1,134,179.88 × 531,730.32
  4. Step 4: Simplify right side
    821,761.68x = 603,077,830,529.96
  5. Step 5: Solve for x
    x = 603,077,830,529.96/821,761.68
  6. Step 6: Final answer
    x = 733,884.10

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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.