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Finding the Fourth Proportional to 656,604.59, 906,191.72 and 366,261.89

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Solution

The fourth proportional to 656,604.59, 906,191.72 and 366,261.89 is: 505,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,604.59 : 906,191.72 = 366,261.89 : x
  2. Step 2: Convert to fraction form
    656,604.59/906,191.72 = 366,261.89/x
  3. Step 3: Cross multiply
    656,604.59x = 906,191.72 × 366,261.89
  4. Step 4: Simplify right side
    656,604.59x = 331,903,492,069.55
  5. Step 5: Solve for x
    x = 331,903,492,069.55/656,604.59
  6. Step 6: Final answer
    x = 505,484.57

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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.