Home / 826,618.78-1,140,733.47-464,043.34

Finding the Fourth Proportional to 826,618.78, 1,140,733.47 and 464,043.34

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Solution

The fourth proportional to 826,618.78, 1,140,733.47 and 464,043.34 is: 640,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,618.78 : 1,140,733.47 = 464,043.34 : x
  2. Step 2: Convert to fraction form
    826,618.78/1,140,733.47 = 464,043.34/x
  3. Step 3: Cross multiply
    826,618.78x = 1,140,733.47 × 464,043.34
  4. Step 4: Simplify right side
    826,618.78x = 529,349,769,468.59
  5. Step 5: Solve for x
    x = 529,349,769,468.59/826,618.78
  6. Step 6: Final answer
    x = 640,379.56

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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.