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Finding the Fourth Proportional to 473,325.05, 710,245.90 and 274,034.68

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Solution

The fourth proportional to 473,325.05, 710,245.90 and 274,034.68 is: 411,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,325.05 : 710,245.90 = 274,034.68 : x
  2. Step 2: Convert to fraction form
    473,325.05/710,245.90 = 274,034.68/x
  3. Step 3: Cross multiply
    473,325.05x = 710,245.90 × 274,034.68
  4. Step 4: Simplify right side
    473,325.05x = 194,632,006,494.74
  5. Step 5: Solve for x
    x = 194,632,006,494.74/473,325.05
  6. Step 6: Final answer
    x = 411,201.57

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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.