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Finding the Fourth Proportional to 625,262.38, 939,149.05 and 373,035.67

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Solution

The fourth proportional to 625,262.38, 939,149.05 and 373,035.67 is: 560,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,262.38 : 939,149.05 = 373,035.67 : x
  2. Step 2: Convert to fraction form
    625,262.38/939,149.05 = 373,035.67/x
  3. Step 3: Cross multiply
    625,262.38x = 939,149.05 × 373,035.67
  4. Step 4: Simplify right side
    625,262.38x = 350,336,091,816.15
  5. Step 5: Solve for x
    x = 350,336,091,816.15/625,262.38
  6. Step 6: Final answer
    x = 560,302.53

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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.