Home / 725,900.82-1,088,996.58-406,506.90

Finding the Fourth Proportional to 725,900.82, 1,088,996.58 and 406,506.90

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Solution

The fourth proportional to 725,900.82, 1,088,996.58 and 406,506.90 is: 609,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,900.82 : 1,088,996.58 = 406,506.90 : x
  2. Step 2: Convert to fraction form
    725,900.82/1,088,996.58 = 406,506.90/x
  3. Step 3: Cross multiply
    725,900.82x = 1,088,996.58 × 406,506.90
  4. Step 4: Simplify right side
    725,900.82x = 442,684,623,846.40
  5. Step 5: Solve for x
    x = 442,684,623,846.40/725,900.82
  6. Step 6: Final answer
    x = 609,841.75

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1.5x scale

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.