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Finding the Fourth Proportional to 619,470.48, 854,765.64 and 364,872.36

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Solution

The fourth proportional to 619,470.48, 854,765.64 and 364,872.36 is: 503,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,470.48 : 854,765.64 = 364,872.36 : x
  2. Step 2: Convert to fraction form
    619,470.48/854,765.64 = 364,872.36/x
  3. Step 3: Cross multiply
    619,470.48x = 854,765.64 × 364,872.36
  4. Step 4: Simplify right side
    619,470.48x = 311,880,356,313.71
  5. Step 5: Solve for x
    x = 311,880,356,313.71/619,470.48
  6. Step 6: Final answer
    x = 503,462.82

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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.