Home / 803,865.41-1,204,880.80-323,785.77

Finding the Fourth Proportional to 803,865.41, 1,204,880.80 and 323,785.77

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Solution

The fourth proportional to 803,865.41, 1,204,880.80 and 323,785.77 is: 485,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,865.41 : 1,204,880.80 = 323,785.77 : x
  2. Step 2: Convert to fraction form
    803,865.41/1,204,880.80 = 323,785.77/x
  3. Step 3: Cross multiply
    803,865.41x = 1,204,880.80 × 323,785.77
  4. Step 4: Simplify right side
    803,865.41x = 390,123,253,649.26
  5. Step 5: Solve for x
    x = 390,123,253,649.26/803,865.41
  6. Step 6: Final answer
    x = 485,309.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.