Home / 753,011.64-1,129,530.95-273,579.93

Finding the Fourth Proportional to 753,011.64, 1,129,530.95 and 273,579.93

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Solution

The fourth proportional to 753,011.64, 1,129,530.95 and 273,579.93 is: 410,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,011.64 : 1,129,530.95 = 273,579.93 : x
  2. Step 2: Convert to fraction form
    753,011.64/1,129,530.95 = 273,579.93/x
  3. Step 3: Cross multiply
    753,011.64x = 1,129,530.95 × 273,579.93
  4. Step 4: Simplify right side
    753,011.64x = 309,016,996,865.93
  5. Step 5: Solve for x
    x = 309,016,996,865.93/753,011.64
  6. Step 6: Final answer
    x = 410,374.79

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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.