Home / 538,091.70-742,546.20-323,350.17

Finding the Fourth Proportional to 538,091.70, 742,546.20 and 323,350.17

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Solution

The fourth proportional to 538,091.70, 742,546.20 and 323,350.17 is: 446,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,091.70 : 742,546.20 = 323,350.17 : x
  2. Step 2: Convert to fraction form
    538,091.70/742,546.20 = 323,350.17/x
  3. Step 3: Cross multiply
    538,091.70x = 742,546.20 × 323,350.17
  4. Step 4: Simplify right side
    538,091.70x = 240,102,440,002.85
  5. Step 5: Solve for x
    x = 240,102,440,002.85/538,091.70
  6. Step 6: Final answer
    x = 446,211.01

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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.