Home / 805,409.91-1,111,442.18-442,833.39

Finding the Fourth Proportional to 805,409.91, 1,111,442.18 and 442,833.39

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Solution

The fourth proportional to 805,409.91, 1,111,442.18 and 442,833.39 is: 611,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,409.91 : 1,111,442.18 = 442,833.39 : x
  2. Step 2: Convert to fraction form
    805,409.91/1,111,442.18 = 442,833.39/x
  3. Step 3: Cross multiply
    805,409.91x = 1,111,442.18 × 442,833.39
  4. Step 4: Simplify right side
    805,409.91x = 492,183,706,144.22
  5. Step 5: Solve for x
    x = 492,183,706,144.22/805,409.91
  6. Step 6: Final answer
    x = 611,097.16

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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.