Home / 762,859.88-1,052,770.80-440,564.12

Finding the Fourth Proportional to 762,859.88, 1,052,770.80 and 440,564.12

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Solution

The fourth proportional to 762,859.88, 1,052,770.80 and 440,564.12 is: 607,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,859.88 : 1,052,770.80 = 440,564.12 : x
  2. Step 2: Convert to fraction form
    762,859.88/1,052,770.80 = 440,564.12/x
  3. Step 3: Cross multiply
    762,859.88x = 1,052,770.80 × 440,564.12
  4. Step 4: Simplify right side
    762,859.88x = 463,813,041,063.70
  5. Step 5: Solve for x
    x = 463,813,041,063.70/762,859.88
  6. Step 6: Final answer
    x = 607,992.44

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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.