Home / 841,662.28-1,161,501.62-479,109.62

Finding the Fourth Proportional to 841,662.28, 1,161,501.62 and 479,109.62

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Solution

The fourth proportional to 841,662.28, 1,161,501.62 and 479,109.62 is: 661,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,662.28 : 1,161,501.62 = 479,109.62 : x
  2. Step 2: Convert to fraction form
    841,662.28/1,161,501.62 = 479,109.62/x
  3. Step 3: Cross multiply
    841,662.28x = 1,161,501.62 × 479,109.62
  4. Step 4: Simplify right side
    841,662.28x = 556,486,599,787.59
  5. Step 5: Solve for x
    x = 556,486,599,787.59/841,662.28
  6. Step 6: Final answer
    x = 661,175.64

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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.