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Finding the Fourth Proportional to 807,551.10, 1,211,326.65 and 275,672.70

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Solution

The fourth proportional to 807,551.10, 1,211,326.65 and 275,672.70 is: 413,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,551.10 : 1,211,326.65 = 275,672.70 : x
  2. Step 2: Convert to fraction form
    807,551.10/1,211,326.65 = 275,672.70/x
  3. Step 3: Cross multiply
    807,551.10x = 1,211,326.65 × 275,672.70
  4. Step 4: Simplify right side
    807,551.10x = 333,929,688,187.46
  5. Step 5: Solve for x
    x = 333,929,688,187.46/807,551.10
  6. Step 6: Final answer
    x = 413,509.05

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Similar ratio
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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.