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Finding the Fourth Proportional to 614,493.49, 848,051.49 and 338,905.25

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Solution

The fourth proportional to 614,493.49, 848,051.49 and 338,905.25 is: 467,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,493.49 : 848,051.49 = 338,905.25 : x
  2. Step 2: Convert to fraction form
    614,493.49/848,051.49 = 338,905.25/x
  3. Step 3: Cross multiply
    614,493.49x = 848,051.49 × 338,905.25
  4. Step 4: Simplify right side
    614,493.49x = 287,409,099,263.93
  5. Step 5: Solve for x
    x = 287,409,099,263.93/614,493.49
  6. Step 6: Final answer
    x = 467,717.08

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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.