Home / 849,690.45-1,172,476.62-500,808.06

Finding the Fourth Proportional to 849,690.45, 1,172,476.62 and 500,808.06

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Solution

The fourth proportional to 849,690.45, 1,172,476.62 and 500,808.06 is: 691,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,690.45 : 1,172,476.62 = 500,808.06 : x
  2. Step 2: Convert to fraction form
    849,690.45/1,172,476.62 = 500,808.06/x
  3. Step 3: Cross multiply
    849,690.45x = 1,172,476.62 × 500,808.06
  4. Step 4: Simplify right side
    849,690.45x = 587,185,741,457.56
  5. Step 5: Solve for x
    x = 587,185,741,457.56/849,690.45
  6. Step 6: Final answer
    x = 691,058.42

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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.