Home / 477,012.54-658,317.69-324,389.28

Finding the Fourth Proportional to 477,012.54, 658,317.69 and 324,389.28

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Solution

The fourth proportional to 477,012.54, 658,317.69 and 324,389.28 is: 447,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,012.54 : 658,317.69 = 324,389.28 : x
  2. Step 2: Convert to fraction form
    477,012.54/658,317.69 = 324,389.28/x
  3. Step 3: Cross multiply
    477,012.54x = 658,317.69 × 324,389.28
  4. Step 4: Simplify right side
    477,012.54x = 213,551,201,470.36
  5. Step 5: Solve for x
    x = 213,551,201,470.36/477,012.54
  6. Step 6: Final answer
    x = 447,684.67

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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.