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Finding the Fourth Proportional to 610,580.40, 842,652.72 and 338,735.94

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Solution

The fourth proportional to 610,580.40, 842,652.72 and 338,735.94 is: 467,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,580.40 : 842,652.72 = 338,735.94 : x
  2. Step 2: Convert to fraction form
    610,580.40/842,652.72 = 338,735.94/x
  3. Step 3: Cross multiply
    610,580.40x = 842,652.72 × 338,735.94
  4. Step 4: Simplify right side
    610,580.40x = 285,436,761,202.76
  5. Step 5: Solve for x
    x = 285,436,761,202.76/610,580.40
  6. Step 6: Final answer
    x = 467,484.32

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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.