Home / 826,362.52-1,140,382.65-458,840.45

Finding the Fourth Proportional to 826,362.52, 1,140,382.65 and 458,840.45

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Solution

The fourth proportional to 826,362.52, 1,140,382.65 and 458,840.45 is: 633,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,362.52 : 1,140,382.65 = 458,840.45 : x
  2. Step 2: Convert to fraction form
    826,362.52/1,140,382.65 = 458,840.45/x
  3. Step 3: Cross multiply
    826,362.52x = 1,140,382.65 × 458,840.45
  4. Step 4: Simplify right side
    826,362.52x = 523,253,691,149.15
  5. Step 5: Solve for x
    x = 523,253,691,149.15/826,362.52
  6. Step 6: Final answer
    x = 633,201.14

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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.