Home / 725,900.51-1,088,996.11-406,506.59

Finding the Fourth Proportional to 725,900.51, 1,088,996.11 and 406,506.59

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Solution

The fourth proportional to 725,900.51, 1,088,996.11 and 406,506.59 is: 609,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,900.51 : 1,088,996.11 = 406,506.59 : x
  2. Step 2: Convert to fraction form
    725,900.51/1,088,996.11 = 406,506.59/x
  3. Step 3: Cross multiply
    725,900.51x = 1,088,996.11 × 406,506.59
  4. Step 4: Simplify right side
    725,900.51x = 442,684,094,346.25
  5. Step 5: Solve for x
    x = 442,684,094,346.25/725,900.51
  6. Step 6: Final answer
    x = 609,841.28

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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.