Home / 809,346.88-1,213,901.28-323,026.24

Finding the Fourth Proportional to 809,346.88, 1,213,901.28 and 323,026.24

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Solution

The fourth proportional to 809,346.88, 1,213,901.28 and 323,026.24 is: 484,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,346.88 : 1,213,901.28 = 323,026.24 : x
  2. Step 2: Convert to fraction form
    809,346.88/1,213,901.28 = 323,026.24/x
  3. Step 3: Cross multiply
    809,346.88x = 1,213,901.28 × 323,026.24
  4. Step 4: Simplify right side
    809,346.88x = 392,121,966,209.59
  5. Step 5: Solve for x
    x = 392,121,966,209.59/809,346.88
  6. Step 6: Final answer
    x = 484,491.85

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1.5x scale

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.