Home / 873,040.08-1,309,119.89-265,711.88

Finding the Fourth Proportional to 873,040.08, 1,309,119.89 and 265,711.88

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Solution

The fourth proportional to 873,040.08, 1,309,119.89 and 265,711.88 is: 398,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,040.08 : 1,309,119.89 = 265,711.88 : x
  2. Step 2: Convert to fraction form
    873,040.08/1,309,119.89 = 265,711.88/x
  3. Step 3: Cross multiply
    873,040.08x = 1,309,119.89 × 265,711.88
  4. Step 4: Simplify right side
    873,040.08x = 347,848,699,243.13
  5. Step 5: Solve for x
    x = 347,848,699,243.13/873,040.08
  6. Step 6: Final answer
    x = 398,433.83

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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.