Home / 806,006.25-1,112,288.58-443,422.35

Finding the Fourth Proportional to 806,006.25, 1,112,288.58 and 443,422.35

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Solution

The fourth proportional to 806,006.25, 1,112,288.58 and 443,422.35 is: 611,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,006.25 : 1,112,288.58 = 443,422.35 : x
  2. Step 2: Convert to fraction form
    806,006.25/1,112,288.58 = 443,422.35/x
  3. Step 3: Cross multiply
    806,006.25x = 1,112,288.58 × 443,422.35
  4. Step 4: Simplify right side
    806,006.25x = 493,213,616,021.76
  5. Step 5: Solve for x
    x = 493,213,616,021.76/806,006.25
  6. Step 6: Final answer
    x = 611,922.82

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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.