Home / 643,624.14-965,747.26-264,824.40

Finding the Fourth Proportional to 643,624.14, 965,747.26 and 264,824.40

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Solution

The fourth proportional to 643,624.14, 965,747.26 and 264,824.40 is: 397,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,624.14 : 965,747.26 = 264,824.40 : x
  2. Step 2: Convert to fraction form
    643,624.14/965,747.26 = 264,824.40/x
  3. Step 3: Cross multiply
    643,624.14x = 965,747.26 × 264,824.40
  4. Step 4: Simplify right side
    643,624.14x = 255,753,438,681.14
  5. Step 5: Solve for x
    x = 255,753,438,681.14/643,624.14
  6. Step 6: Final answer
    x = 397,364.58

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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.