Home / 878,327.72-1,211,624.24-534,268.88

Finding the Fourth Proportional to 878,327.72, 1,211,624.24 and 534,268.88

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Solution

The fourth proportional to 878,327.72, 1,211,624.24 and 534,268.88 is: 737,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,327.72 : 1,211,624.24 = 534,268.88 : x
  2. Step 2: Convert to fraction form
    878,327.72/1,211,624.24 = 534,268.88/x
  3. Step 3: Cross multiply
    878,327.72x = 1,211,624.24 × 534,268.88
  4. Step 4: Simplify right side
    878,327.72x = 647,333,116,956.19
  5. Step 5: Solve for x
    x = 647,333,116,956.19/878,327.72
  6. Step 6: Final answer
    x = 737,006.37

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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.