Home / 841,721.38-1,161,609.33-459,764.26

Finding the Fourth Proportional to 841,721.38, 1,161,609.33 and 459,764.26

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Solution

The fourth proportional to 841,721.38, 1,161,609.33 and 459,764.26 is: 634,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,721.38 : 1,161,609.33 = 459,764.26 : x
  2. Step 2: Convert to fraction form
    841,721.38/1,161,609.33 = 459,764.26/x
  3. Step 3: Cross multiply
    841,721.38x = 1,161,609.33 × 459,764.26
  4. Step 4: Simplify right side
    841,721.38x = 534,066,454,016.55
  5. Step 5: Solve for x
    x = 534,066,454,016.55/841,721.38
  6. Step 6: Final answer
    x = 634,493.15

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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.