Home / 477,013.54-658,319.07-324,390.28

Finding the Fourth Proportional to 477,013.54, 658,319.07 and 324,390.28

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Solution

The fourth proportional to 477,013.54, 658,319.07 and 324,390.28 is: 447,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,013.54 : 658,319.07 = 324,390.28 : x
  2. Step 2: Convert to fraction form
    477,013.54/658,319.07 = 324,390.28/x
  3. Step 3: Cross multiply
    477,013.54x = 658,319.07 × 324,390.28
  4. Step 4: Simplify right side
    477,013.54x = 213,552,307,446.64
  5. Step 5: Solve for x
    x = 213,552,307,446.64/477,013.54
  6. Step 6: Final answer
    x = 447,686.05

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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.