Home / 840,486.33-1,159,712.51-500,986.17

Finding the Fourth Proportional to 840,486.33, 1,159,712.51 and 500,986.17

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Solution

The fourth proportional to 840,486.33, 1,159,712.51 and 500,986.17 is: 691,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,486.33 : 1,159,712.51 = 500,986.17 : x
  2. Step 2: Convert to fraction form
    840,486.33/1,159,712.51 = 500,986.17/x
  3. Step 3: Cross multiply
    840,486.33x = 1,159,712.51 × 500,986.17
  4. Step 4: Simplify right side
    840,486.33x = 580,999,926,181.06
  5. Step 5: Solve for x
    x = 580,999,926,181.06/840,486.33
  6. Step 6: Final answer
    x = 691,266.36

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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.