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Finding the Fourth Proportional to 611,119.72, 915,350.94 and 373,744.36

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Solution

The fourth proportional to 611,119.72, 915,350.94 and 373,744.36 is: 559,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,119.72 : 915,350.94 = 373,744.36 : x
  2. Step 2: Convert to fraction form
    611,119.72/915,350.94 = 373,744.36/x
  3. Step 3: Cross multiply
    611,119.72x = 915,350.94 × 373,744.36
  4. Step 4: Simplify right side
    611,119.72x = 342,107,251,245.70
  5. Step 5: Solve for x
    x = 342,107,251,245.70/611,119.72
  6. Step 6: Final answer
    x = 559,803.98

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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.