Home / 806,317.01-1,112,677.28-443,731.54

Finding the Fourth Proportional to 806,317.01, 1,112,677.28 and 443,731.54

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Solution

The fourth proportional to 806,317.01, 1,112,677.28 and 443,731.54 is: 612,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,317.01 : 1,112,677.28 = 443,731.54 : x
  2. Step 2: Convert to fraction form
    806,317.01/1,112,677.28 = 443,731.54/x
  3. Step 3: Cross multiply
    806,317.01x = 1,112,677.28 × 443,731.54
  4. Step 4: Simplify right side
    806,317.01x = 493,730,002,977.41
  5. Step 5: Solve for x
    x = 493,730,002,977.41/806,317.01
  6. Step 6: Final answer
    x = 612,327.41

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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.