Home / 825,311.20-1,237,966.80-615,359.20

Finding the Fourth Proportional to 825,311.20, 1,237,966.80 and 615,359.20

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Solution

The fourth proportional to 825,311.20, 1,237,966.80 and 615,359.20 is: 923,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,311.20 : 1,237,966.80 = 615,359.20 : x
  2. Step 2: Convert to fraction form
    825,311.20/1,237,966.80 = 615,359.20/x
  3. Step 3: Cross multiply
    825,311.20x = 1,237,966.80 × 615,359.20
  4. Step 4: Simplify right side
    825,311.20x = 761,794,259,674.56
  5. Step 5: Solve for x
    x = 761,794,259,674.56/825,311.20
  6. Step 6: Final answer
    x = 923,038.80

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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.