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Finding the Fourth Proportional to 585,230.42, 877,870.02 and 285,353.84

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Solution

The fourth proportional to 585,230.42, 877,870.02 and 285,353.84 is: 428,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,230.42 : 877,870.02 = 285,353.84 : x
  2. Step 2: Convert to fraction form
    585,230.42/877,870.02 = 285,353.84/x
  3. Step 3: Cross multiply
    585,230.42x = 877,870.02 × 285,353.84
  4. Step 4: Simplify right side
    585,230.42x = 250,503,581,227.88
  5. Step 5: Solve for x
    x = 250,503,581,227.88/585,230.42
  6. Step 6: Final answer
    x = 428,042.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.