Home / 812,922.26-1,121,829.09-468,756.50

Finding the Fourth Proportional to 812,922.26, 1,121,829.09 and 468,756.50

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Solution

The fourth proportional to 812,922.26, 1,121,829.09 and 468,756.50 is: 646,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,922.26 : 1,121,829.09 = 468,756.50 : x
  2. Step 2: Convert to fraction form
    812,922.26/1,121,829.09 = 468,756.50/x
  3. Step 3: Cross multiply
    812,922.26x = 1,121,829.09 × 468,756.50
  4. Step 4: Simplify right side
    812,922.26x = 525,864,677,826.59
  5. Step 5: Solve for x
    x = 525,864,677,826.59/812,922.26
  6. Step 6: Final answer
    x = 646,881.88

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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.