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Finding the Fourth Proportional to 611,281.77, 916,919.01 and 332,570.49

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Solution

The fourth proportional to 611,281.77, 916,919.01 and 332,570.49 is: 498,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,281.77 : 916,919.01 = 332,570.49 : x
  2. Step 2: Convert to fraction form
    611,281.77/916,919.01 = 332,570.49/x
  3. Step 3: Cross multiply
    611,281.77x = 916,919.01 × 332,570.49
  4. Step 4: Simplify right side
    611,281.77x = 304,940,204,446.02
  5. Step 5: Solve for x
    x = 304,940,204,446.02/611,281.77
  6. Step 6: Final answer
    x = 498,853.75

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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.