Home / 826,427.68-1,140,478.65-463,844.27

Finding the Fourth Proportional to 826,427.68, 1,140,478.65 and 463,844.27

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Solution

The fourth proportional to 826,427.68, 1,140,478.65 and 463,844.27 is: 640,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,427.68 : 1,140,478.65 = 463,844.27 : x
  2. Step 2: Convert to fraction form
    826,427.68/1,140,478.65 = 463,844.27/x
  3. Step 3: Cross multiply
    826,427.68x = 1,140,478.65 × 463,844.27
  4. Step 4: Simplify right side
    826,427.68x = 529,004,489,711.03
  5. Step 5: Solve for x
    x = 529,004,489,711.03/826,427.68
  6. Step 6: Final answer
    x = 640,109.84

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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.