Home / 806,021.36-1,112,309.52-443,437.46

Finding the Fourth Proportional to 806,021.36, 1,112,309.52 and 443,437.46

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Solution

The fourth proportional to 806,021.36, 1,112,309.52 and 443,437.46 is: 611,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,021.36 : 1,112,309.52 = 443,437.46 : x
  2. Step 2: Convert to fraction form
    806,021.36/1,112,309.52 = 443,437.46/x
  3. Step 3: Cross multiply
    806,021.36x = 1,112,309.52 × 443,437.46
  4. Step 4: Simplify right side
    806,021.36x = 493,239,708,282.62
  5. Step 5: Solve for x
    x = 493,239,708,282.62/806,021.36
  6. Step 6: Final answer
    x = 611,943.72

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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.