Home / 763,508.39-1,143,517.84-364,429.31

Finding the Fourth Proportional to 763,508.39, 1,143,517.84 and 364,429.31

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Solution

The fourth proportional to 763,508.39, 1,143,517.84 and 364,429.31 is: 545,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,508.39 : 1,143,517.84 = 364,429.31 : x
  2. Step 2: Convert to fraction form
    763,508.39/1,143,517.84 = 364,429.31/x
  3. Step 3: Cross multiply
    763,508.39x = 1,143,517.84 × 364,429.31
  4. Step 4: Simplify right side
    763,508.39x = 416,731,417,403.89
  5. Step 5: Solve for x
    x = 416,731,417,403.89/763,508.39
  6. Step 6: Final answer
    x = 545,811.18

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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.