Home / 821,465.07-1,133,616.38-458,885.73

Finding the Fourth Proportional to 821,465.07, 1,133,616.38 and 458,885.73

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Solution

The fourth proportional to 821,465.07, 1,133,616.38 and 458,885.73 is: 633,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,465.07 : 1,133,616.38 = 458,885.73 : x
  2. Step 2: Convert to fraction form
    821,465.07/1,133,616.38 = 458,885.73/x
  3. Step 3: Cross multiply
    821,465.07x = 1,133,616.38 × 458,885.73
  4. Step 4: Simplify right side
    821,465.07x = 520,200,380,076.26
  5. Step 5: Solve for x
    x = 520,200,380,076.26/821,465.07
  6. Step 6: Final answer
    x = 633,259.28

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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.