Home / 802,520.32-1,203,785.10-203,482.78

Finding the Fourth Proportional to 802,520.32, 1,203,785.10 and 203,482.78

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Solution

The fourth proportional to 802,520.32, 1,203,785.10 and 203,482.78 is: 305,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,520.32 : 1,203,785.10 = 203,482.78 : x
  2. Step 2: Convert to fraction form
    802,520.32/1,203,785.10 = 203,482.78/x
  3. Step 3: Cross multiply
    802,520.32x = 1,203,785.10 × 203,482.78
  4. Step 4: Simplify right side
    802,520.32x = 244,949,538,670.58
  5. Step 5: Solve for x
    x = 244,949,538,670.58/802,520.32
  6. Step 6: Final answer
    x = 305,225.34

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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.