Home / 805,846.32-1,112,044.50-443,270.07

Finding the Fourth Proportional to 805,846.32, 1,112,044.50 and 443,270.07

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Solution

The fourth proportional to 805,846.32, 1,112,044.50 and 443,270.07 is: 611,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,846.32 : 1,112,044.50 = 443,270.07 : x
  2. Step 2: Convert to fraction form
    805,846.32/1,112,044.50 = 443,270.07/x
  3. Step 3: Cross multiply
    805,846.32x = 1,112,044.50 × 443,270.07
  4. Step 4: Simplify right side
    805,846.32x = 492,936,043,358.12
  5. Step 5: Solve for x
    x = 492,936,043,358.12/805,846.32
  6. Step 6: Final answer
    x = 611,699.81

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1.5x scale

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.