Home / 808,068.32-1,115,141.88-445,504.88

Finding the Fourth Proportional to 808,068.32, 1,115,141.88 and 445,504.88

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Solution

The fourth proportional to 808,068.32, 1,115,141.88 and 445,504.88 is: 614,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,068.32 : 1,115,141.88 = 445,504.88 : x
  2. Step 2: Convert to fraction form
    808,068.32/1,115,141.88 = 445,504.88/x
  3. Step 3: Cross multiply
    808,068.32x = 1,115,141.88 × 445,504.88
  4. Step 4: Simplify right side
    808,068.32x = 496,801,149,432.37
  5. Step 5: Solve for x
    x = 496,801,149,432.37/808,068.32
  6. Step 6: Final answer
    x = 614,800.92

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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.