Home / 806,039.84-1,112,334.92-443,455.91

Finding the Fourth Proportional to 806,039.84, 1,112,334.92 and 443,455.91

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Solution

The fourth proportional to 806,039.84, 1,112,334.92 and 443,455.91 is: 611,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,039.84 : 1,112,334.92 = 443,455.91 : x
  2. Step 2: Convert to fraction form
    806,039.84/1,112,334.92 = 443,455.91/x
  3. Step 3: Cross multiply
    806,039.84x = 1,112,334.92 × 443,455.91
  4. Step 4: Simplify right side
    806,039.84x = 493,271,486,394.42
  5. Step 5: Solve for x
    x = 493,271,486,394.42/806,039.84
  6. Step 6: Final answer
    x = 611,969.12

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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.