Home / 688,047.96-1,031,663.14-261,615

Finding the Fourth Proportional to 688,047.96, 1,031,663.14 and 261,615

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Solution

The fourth proportional to 688,047.96, 1,031,663.14 and 261,615 is: 392,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,047.96 : 1,031,663.14 = 261,615 : x
  2. Step 2: Convert to fraction form
    688,047.96/1,031,663.14 = 261,615/x
  3. Step 3: Cross multiply
    688,047.96x = 1,031,663.14 × 261,615
  4. Step 4: Simplify right side
    688,047.96x = 269,898,552,371.10
  5. Step 5: Solve for x
    x = 269,898,552,371.10/688,047.96
  6. Step 6: Final answer
    x = 392,267.06

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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.