Home / 821,406.52-1,133,507.82-458,824.60

Finding the Fourth Proportional to 821,406.52, 1,133,507.82 and 458,824.60

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Solution

The fourth proportional to 821,406.52, 1,133,507.82 and 458,824.60 is: 633,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,406.52 : 1,133,507.82 = 458,824.60 : x
  2. Step 2: Convert to fraction form
    821,406.52/1,133,507.82 = 458,824.60/x
  3. Step 3: Cross multiply
    821,406.52x = 1,133,507.82 × 458,824.60
  4. Step 4: Simplify right side
    821,406.52x = 520,081,272,108.37
  5. Step 5: Solve for x
    x = 520,081,272,108.37/821,406.52
  6. Step 6: Final answer
    x = 633,159.42

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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.