Home / 812,358.54-1,121,066.64-468,004.50

Finding the Fourth Proportional to 812,358.54, 1,121,066.64 and 468,004.50

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Solution

The fourth proportional to 812,358.54, 1,121,066.64 and 468,004.50 is: 645,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,358.54 : 1,121,066.64 = 468,004.50 : x
  2. Step 2: Convert to fraction form
    812,358.54/1,121,066.64 = 468,004.50/x
  3. Step 3: Cross multiply
    812,358.54x = 1,121,066.64 × 468,004.50
  4. Step 4: Simplify right side
    812,358.54x = 524,664,232,319.88
  5. Step 5: Solve for x
    x = 524,664,232,319.88/812,358.54
  6. Step 6: Final answer
    x = 645,853.04

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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.