Home / 821,390.24-1,133,522.48-458,829.38

Finding the Fourth Proportional to 821,390.24, 1,133,522.48 and 458,829.38

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Solution

The fourth proportional to 821,390.24, 1,133,522.48 and 458,829.38 is: 633,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,390.24 : 1,133,522.48 = 458,829.38 : x
  2. Step 2: Convert to fraction form
    821,390.24/1,133,522.48 = 458,829.38/x
  3. Step 3: Cross multiply
    821,390.24x = 1,133,522.48 × 458,829.38
  4. Step 4: Simplify right side
    821,390.24x = 520,093,420,695.34
  5. Step 5: Solve for x
    x = 520,093,420,695.34/821,390.24
  6. Step 6: Final answer
    x = 633,186.75

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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.