Home / 830,429.94-1,244,677.14-381,198.30

Finding the Fourth Proportional to 830,429.94, 1,244,677.14 and 381,198.30

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Solution

The fourth proportional to 830,429.94, 1,244,677.14 and 381,198.30 is: 571,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,429.94 : 1,244,677.14 = 381,198.30 : x
  2. Step 2: Convert to fraction form
    830,429.94/1,244,677.14 = 381,198.30/x
  3. Step 3: Cross multiply
    830,429.94x = 1,244,677.14 × 381,198.30
  4. Step 4: Simplify right side
    830,429.94x = 474,468,809,816.86
  5. Step 5: Solve for x
    x = 474,468,809,816.86/830,429.94
  6. Step 6: Final answer
    x = 571,353.21

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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.