Home / 806,224.30-1,112,587.32-443,671.68

Finding the Fourth Proportional to 806,224.30, 1,112,587.32 and 443,671.68

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Solution

The fourth proportional to 806,224.30, 1,112,587.32 and 443,671.68 is: 612,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,224.30 : 1,112,587.32 = 443,671.68 : x
  2. Step 2: Convert to fraction form
    806,224.30/1,112,587.32 = 443,671.68/x
  3. Step 3: Cross multiply
    806,224.30x = 1,112,587.32 × 443,671.68
  4. Step 4: Simplify right side
    806,224.30x = 493,623,485,411.10
  5. Step 5: Solve for x
    x = 493,623,485,411.10/806,224.30
  6. Step 6: Final answer
    x = 612,265.70

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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.