Home / 806,021.61-1,112,309.87-443,437.71

Finding the Fourth Proportional to 806,021.61, 1,112,309.87 and 443,437.71

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Solution

The fourth proportional to 806,021.61, 1,112,309.87 and 443,437.71 is: 611,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,021.61 : 1,112,309.87 = 443,437.71 : x
  2. Step 2: Convert to fraction form
    806,021.61/1,112,309.87 = 443,437.71/x
  3. Step 3: Cross multiply
    806,021.61x = 1,112,309.87 × 443,437.71
  4. Step 4: Simplify right side
    806,021.61x = 493,240,139,346.01
  5. Step 5: Solve for x
    x = 493,240,139,346.01/806,021.61
  6. Step 6: Final answer
    x = 611,944.06

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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.