Home / 806,223.30-1,112,585.94-443,670.68

Finding the Fourth Proportional to 806,223.30, 1,112,585.94 and 443,670.68

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Solution

The fourth proportional to 806,223.30, 1,112,585.94 and 443,670.68 is: 612,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,223.30 : 1,112,585.94 = 443,670.68 : x
  2. Step 2: Convert to fraction form
    806,223.30/1,112,585.94 = 443,670.68/x
  3. Step 3: Cross multiply
    806,223.30x = 1,112,585.94 × 443,670.68
  4. Step 4: Simplify right side
    806,223.30x = 493,621,754,995.31
  5. Step 5: Solve for x
    x = 493,621,754,995.31/806,223.30
  6. Step 6: Final answer
    x = 612,264.31

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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.