Home / 996,674.34-1,375,322.31-555,115.23

Finding the Fourth Proportional to 996,674.34, 1,375,322.31 and 555,115.23

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Solution

The fourth proportional to 996,674.34, 1,375,322.31 and 555,115.23 is: 766,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,674.34 : 1,375,322.31 = 555,115.23 : x
  2. Step 2: Convert to fraction form
    996,674.34/1,375,322.31 = 555,115.23/x
  3. Step 3: Cross multiply
    996,674.34x = 1,375,322.31 × 555,115.23
  4. Step 4: Simplify right side
    996,674.34x = 763,462,360,439.78
  5. Step 5: Solve for x
    x = 763,462,360,439.78/996,674.34
  6. Step 6: Final answer
    x = 766,009.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.