Home / 925,944.39-1,389,049.65-286,298.01

Finding the Fourth Proportional to 925,944.39, 1,389,049.65 and 286,298.01

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Solution

The fourth proportional to 925,944.39, 1,389,049.65 and 286,298.01 is: 429,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,944.39 : 1,389,049.65 = 286,298.01 : x
  2. Step 2: Convert to fraction form
    925,944.39/1,389,049.65 = 286,298.01/x
  3. Step 3: Cross multiply
    925,944.39x = 1,389,049.65 × 286,298.01
  4. Step 4: Simplify right side
    925,944.39x = 397,682,150,586.20
  5. Step 5: Solve for x
    x = 397,682,150,586.20/925,944.39
  6. Step 6: Final answer
    x = 429,488.16

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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.