Home / 812,237.04-1,121,004.36-468,007.04

Finding the Fourth Proportional to 812,237.04, 1,121,004.36 and 468,007.04

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Solution

The fourth proportional to 812,237.04, 1,121,004.36 and 468,007.04 is: 645,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,237.04 : 1,121,004.36 = 468,007.04 : x
  2. Step 2: Convert to fraction form
    812,237.04/1,121,004.36 = 468,007.04/x
  3. Step 3: Cross multiply
    812,237.04x = 1,121,004.36 × 468,007.04
  4. Step 4: Simplify right side
    812,237.04x = 524,637,932,350.69
  5. Step 5: Solve for x
    x = 524,637,932,350.69/812,237.04
  6. Step 6: Final answer
    x = 645,917.27

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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.