Home / 643,625.14-965,748.76-264,825.40

Finding the Fourth Proportional to 643,625.14, 965,748.76 and 264,825.40

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Solution

The fourth proportional to 643,625.14, 965,748.76 and 264,825.40 is: 397,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,625.14 : 965,748.76 = 264,825.40 : x
  2. Step 2: Convert to fraction form
    643,625.14/965,748.76 = 264,825.40/x
  3. Step 3: Cross multiply
    643,625.14x = 965,748.76 × 264,825.40
  4. Step 4: Simplify right side
    643,625.14x = 255,754,801,666.50
  5. Step 5: Solve for x
    x = 255,754,801,666.50/643,625.14
  6. Step 6: Final answer
    x = 397,366.08

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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.