Home / 688,049.96-1,031,666.14-261,617

Finding the Fourth Proportional to 688,049.96, 1,031,666.14 and 261,617

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Solution

The fourth proportional to 688,049.96, 1,031,666.14 and 261,617 is: 392,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,049.96 : 1,031,666.14 = 261,617 : x
  2. Step 2: Convert to fraction form
    688,049.96/1,031,666.14 = 261,617/x
  3. Step 3: Cross multiply
    688,049.96x = 1,031,666.14 × 261,617
  4. Step 4: Simplify right side
    688,049.96x = 269,901,400,548.38
  5. Step 5: Solve for x
    x = 269,901,400,548.38/688,049.96
  6. Step 6: Final answer
    x = 392,270.06

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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.