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Finding the Fourth Proportional to 608,777.82, 840,041.42 and 336,809.79

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Solution

The fourth proportional to 608,777.82, 840,041.42 and 336,809.79 is: 464,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,777.82 : 840,041.42 = 336,809.79 : x
  2. Step 2: Convert to fraction form
    608,777.82/840,041.42 = 336,809.79/x
  3. Step 3: Cross multiply
    608,777.82x = 840,041.42 × 336,809.79
  4. Step 4: Simplify right side
    608,777.82x = 282,934,172,577.45
  5. Step 5: Solve for x
    x = 282,934,172,577.45/608,777.82
  6. Step 6: Final answer
    x = 464,757.69

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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.