Home / 527,256.04-727,672.26-300,939.88

Finding the Fourth Proportional to 527,256.04, 727,672.26 and 300,939.88

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Solution

The fourth proportional to 527,256.04, 727,672.26 and 300,939.88 is: 415,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,256.04 : 727,672.26 = 300,939.88 : x
  2. Step 2: Convert to fraction form
    527,256.04/727,672.26 = 300,939.88/x
  3. Step 3: Cross multiply
    527,256.04x = 727,672.26 × 300,939.88
  4. Step 4: Simplify right side
    527,256.04x = 218,985,602,603.73
  5. Step 5: Solve for x
    x = 218,985,602,603.73/527,256.04
  6. Step 6: Final answer
    x = 415,330.67

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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.