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Finding the Fourth Proportional to 608,777.46, 840,057.48 and 350,586

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Solution

The fourth proportional to 608,777.46, 840,057.48 and 350,586 is: 483,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,777.46 : 840,057.48 = 350,586 : x
  2. Step 2: Convert to fraction form
    608,777.46/840,057.48 = 350,586/x
  3. Step 3: Cross multiply
    608,777.46x = 840,057.48 × 350,586
  4. Step 4: Simplify right side
    608,777.46x = 294,512,391,683.28
  5. Step 5: Solve for x
    x = 294,512,391,683.28/608,777.46
  6. Step 6: Final answer
    x = 483,776.77

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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.