Home / 805,802.28-1,112,028.12-443,235.48

Finding the Fourth Proportional to 805,802.28, 1,112,028.12 and 443,235.48

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Solution

The fourth proportional to 805,802.28, 1,112,028.12 and 443,235.48 is: 611,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,802.28 : 1,112,028.12 = 443,235.48 : x
  2. Step 2: Convert to fraction form
    805,802.28/1,112,028.12 = 443,235.48/x
  3. Step 3: Cross multiply
    805,802.28x = 1,112,028.12 × 443,235.48
  4. Step 4: Simplify right side
    805,802.28x = 492,890,317,541.70
  5. Step 5: Solve for x
    x = 492,890,317,541.70/805,802.28
  6. Step 6: Final answer
    x = 611,676.50

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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.