Home / 841,884.60-1,161,842.22-479,315.64

Finding the Fourth Proportional to 841,884.60, 1,161,842.22 and 479,315.64

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Solution

The fourth proportional to 841,884.60, 1,161,842.22 and 479,315.64 is: 661,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,884.60 : 1,161,842.22 = 479,315.64 : x
  2. Step 2: Convert to fraction form
    841,884.60/1,161,842.22 = 479,315.64/x
  3. Step 3: Cross multiply
    841,884.60x = 1,161,842.22 × 479,315.64
  4. Step 4: Simplify right side
    841,884.60x = 556,889,147,258.32
  5. Step 5: Solve for x
    x = 556,889,147,258.32/841,884.60
  6. Step 6: Final answer
    x = 661,479.19

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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.