Home / 805,991.77-1,207,991.13-406,746.73

Finding the Fourth Proportional to 805,991.77, 1,207,991.13 and 406,746.73

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Solution

The fourth proportional to 805,991.77, 1,207,991.13 and 406,746.73 is: 609,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,991.77 : 1,207,991.13 = 406,746.73 : x
  2. Step 2: Convert to fraction form
    805,991.77/1,207,991.13 = 406,746.73/x
  3. Step 3: Cross multiply
    805,991.77x = 1,207,991.13 × 406,746.73
  4. Step 4: Simplify right side
    805,991.77x = 491,346,441,996.51
  5. Step 5: Solve for x
    x = 491,346,441,996.51/805,991.77
  6. Step 6: Final answer
    x = 609,617.19

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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.