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Finding the Fourth Proportional to 608,991.75, 840,351.69 and 363,927.89

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Solution

The fourth proportional to 608,991.75, 840,351.69 and 363,927.89 is: 502,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,991.75 : 840,351.69 = 363,927.89 : x
  2. Step 2: Convert to fraction form
    608,991.75/840,351.69 = 363,927.89/x
  3. Step 3: Cross multiply
    608,991.75x = 840,351.69 × 363,927.89
  4. Step 4: Simplify right side
    608,991.75x = 305,827,413,197.88
  5. Step 5: Solve for x
    x = 305,827,413,197.88/608,991.75
  6. Step 6: Final answer
    x = 502,186.46

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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.