Home / 821,626.43-1,133,731.76-459,005.22

Finding the Fourth Proportional to 821,626.43, 1,133,731.76 and 459,005.22

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Solution

The fourth proportional to 821,626.43, 1,133,731.76 and 459,005.22 is: 633,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,626.43 : 1,133,731.76 = 459,005.22 : x
  2. Step 2: Convert to fraction form
    821,626.43/1,133,731.76 = 459,005.22/x
  3. Step 3: Cross multiply
    821,626.43x = 1,133,731.76 × 459,005.22
  4. Step 4: Simplify right side
    821,626.43x = 520,388,793,624.76
  5. Step 5: Solve for x
    x = 520,388,793,624.76/821,626.43
  6. Step 6: Final answer
    x = 633,364.24

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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.