Home / 821,655.27-1,133,876.48-459,141.57

Finding the Fourth Proportional to 821,655.27, 1,133,876.48 and 459,141.57

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Solution

The fourth proportional to 821,655.27, 1,133,876.48 and 459,141.57 is: 633,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,655.27 : 1,133,876.48 = 459,141.57 : x
  2. Step 2: Convert to fraction form
    821,655.27/1,133,876.48 = 459,141.57/x
  3. Step 3: Cross multiply
    821,655.27x = 1,133,876.48 × 459,141.57
  4. Step 4: Simplify right side
    821,655.27x = 520,609,824,917.57
  5. Step 5: Solve for x
    x = 520,609,824,917.57/821,655.27
  6. Step 6: Final answer
    x = 633,611.01

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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.