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Finding the Fourth Proportional to 671,370.32, 926,491.03 and 369,564.32

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Solution

The fourth proportional to 671,370.32, 926,491.03 and 369,564.32 is: 509,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,370.32 : 926,491.03 = 369,564.32 : x
  2. Step 2: Convert to fraction form
    671,370.32/926,491.03 = 369,564.32/x
  3. Step 3: Cross multiply
    671,370.32x = 926,491.03 × 369,564.32
  4. Step 4: Simplify right side
    671,370.32x = 342,398,027,488.05
  5. Step 5: Solve for x
    x = 342,398,027,488.05/671,370.32
  6. Step 6: Final answer
    x = 509,998.76

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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.