Home / 813,104.28-1,122,166.98-468,953.64

Finding the Fourth Proportional to 813,104.28, 1,122,166.98 and 468,953.64

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Solution

The fourth proportional to 813,104.28, 1,122,166.98 and 468,953.64 is: 647,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,104.28 : 1,122,166.98 = 468,953.64 : x
  2. Step 2: Convert to fraction form
    813,104.28/1,122,166.98 = 468,953.64/x
  3. Step 3: Cross multiply
    813,104.28x = 1,122,166.98 × 468,953.64
  4. Step 4: Simplify right side
    813,104.28x = 526,244,289,958.81
  5. Step 5: Solve for x
    x = 526,244,289,958.81/813,104.28
  6. Step 6: Final answer
    x = 647,203.94

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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.