Home / 825,256.79-1,138,857.45-481,330.18

Finding the Fourth Proportional to 825,256.79, 1,138,857.45 and 481,330.18

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Solution

The fourth proportional to 825,256.79, 1,138,857.45 and 481,330.18 is: 664,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,256.79 : 1,138,857.45 = 481,330.18 : x
  2. Step 2: Convert to fraction form
    825,256.79/1,138,857.45 = 481,330.18/x
  3. Step 3: Cross multiply
    825,256.79x = 1,138,857.45 × 481,330.18
  4. Step 4: Simplify right side
    825,256.79x = 548,166,458,555.70
  5. Step 5: Solve for x
    x = 548,166,458,555.70/825,256.79
  6. Step 6: Final answer
    x = 664,237.45

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Double scale
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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.