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Finding the Fourth Proportional to 477,783.77, 659,307.60 and 284,180.81

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Solution

The fourth proportional to 477,783.77, 659,307.60 and 284,180.81 is: 392,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,783.77 : 659,307.60 = 284,180.81 : x
  2. Step 2: Convert to fraction form
    477,783.77/659,307.60 = 284,180.81/x
  3. Step 3: Cross multiply
    477,783.77x = 659,307.60 × 284,180.81
  4. Step 4: Simplify right side
    477,783.77x = 187,362,564,510.62
  5. Step 5: Solve for x
    x = 187,362,564,510.62/477,783.77
  6. Step 6: Final answer
    x = 392,149.29

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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.