Home / 813,466.44-1,122,581.75-445,942.92

Finding the Fourth Proportional to 813,466.44, 1,122,581.75 and 445,942.92

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Solution

The fourth proportional to 813,466.44, 1,122,581.75 and 445,942.92 is: 615,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,466.44 : 1,122,581.75 = 445,942.92 : x
  2. Step 2: Convert to fraction form
    813,466.44/1,122,581.75 = 445,942.92/x
  3. Step 3: Cross multiply
    813,466.44x = 1,122,581.75 × 445,942.92
  4. Step 4: Simplify right side
    813,466.44x = 500,607,381,304.00
  5. Step 5: Solve for x
    x = 500,607,381,304.00/813,466.44
  6. Step 6: Final answer
    x = 615,400.16

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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.