Home / 527,287.35-727,669.86-323,450.67

Finding the Fourth Proportional to 527,287.35, 727,669.86 and 323,450.67

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Solution

The fourth proportional to 527,287.35, 727,669.86 and 323,450.67 is: 446,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,287.35 : 727,669.86 = 323,450.67 : x
  2. Step 2: Convert to fraction form
    527,287.35/727,669.86 = 323,450.67/x
  3. Step 3: Cross multiply
    527,287.35x = 727,669.86 × 323,450.67
  4. Step 4: Simplify right side
    527,287.35x = 235,365,303,755.81
  5. Step 5: Solve for x
    x = 235,365,303,755.81/527,287.35
  6. Step 6: Final answer
    x = 446,370.09

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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.