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Finding the Fourth Proportional to 581,902.62, 802,931.76 and 327,238.62

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Solution

The fourth proportional to 581,902.62, 802,931.76 and 327,238.62 is: 451,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,902.62 : 802,931.76 = 327,238.62 : x
  2. Step 2: Convert to fraction form
    581,902.62/802,931.76 = 327,238.62/x
  3. Step 3: Cross multiply
    581,902.62x = 802,931.76 × 327,238.62
  4. Step 4: Simplify right side
    581,902.62x = 262,750,281,096.57
  5. Step 5: Solve for x
    x = 262,750,281,096.57/581,902.62
  6. Step 6: Final answer
    x = 451,536.51

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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.