Home / 821,175.52-1,133,189.04-458,593.60

Finding the Fourth Proportional to 821,175.52, 1,133,189.04 and 458,593.60

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Solution

The fourth proportional to 821,175.52, 1,133,189.04 and 458,593.60 is: 632,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,175.52 : 1,133,189.04 = 458,593.60 : x
  2. Step 2: Convert to fraction form
    821,175.52/1,133,189.04 = 458,593.60/x
  3. Step 3: Cross multiply
    821,175.52x = 1,133,189.04 × 458,593.60
  4. Step 4: Simplify right side
    821,175.52x = 519,673,241,334.14
  5. Step 5: Solve for x
    x = 519,673,241,334.14/821,175.52
  6. Step 6: Final answer
    x = 632,840.64

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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.