Home / 805,324.49-1,111,355.27-442,750.90

Finding the Fourth Proportional to 805,324.49, 1,111,355.27 and 442,750.90

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Solution

The fourth proportional to 805,324.49, 1,111,355.27 and 442,750.90 is: 611,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,324.49 : 1,111,355.27 = 442,750.90 : x
  2. Step 2: Convert to fraction form
    805,324.49/1,111,355.27 = 442,750.90/x
  3. Step 3: Cross multiply
    805,324.49x = 1,111,355.27 × 442,750.90
  4. Step 4: Simplify right side
    805,324.49x = 492,053,546,012.24
  5. Step 5: Solve for x
    x = 492,053,546,012.24/805,324.49
  6. Step 6: Final answer
    x = 611,000.35

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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.