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Finding the Fourth Proportional to 610,255.66, 842,202.54 and 338,408.80

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Solution

The fourth proportional to 610,255.66, 842,202.54 and 338,408.80 is: 467,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,255.66 : 842,202.54 = 338,408.80 : x
  2. Step 2: Convert to fraction form
    610,255.66/842,202.54 = 338,408.80/x
  3. Step 3: Cross multiply
    610,255.66x = 842,202.54 × 338,408.80
  4. Step 4: Simplify right side
    610,255.66x = 285,008,750,918.35
  5. Step 5: Solve for x
    x = 285,008,750,918.35/610,255.66
  6. Step 6: Final answer
    x = 467,031.72

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1.5x scale

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.