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Finding the Fourth Proportional to 656,634.72, 906,166.48 and 370,168.80

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Solution

The fourth proportional to 656,634.72, 906,166.48 and 370,168.80 is: 510,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,634.72 : 906,166.48 = 370,168.80 : x
  2. Step 2: Convert to fraction form
    656,634.72/906,166.48 = 370,168.80/x
  3. Step 3: Cross multiply
    656,634.72x = 906,166.48 × 370,168.80
  4. Step 4: Simplify right side
    656,634.72x = 335,434,558,501.82
  5. Step 5: Solve for x
    x = 335,434,558,501.82/656,634.72
  6. Step 6: Final answer
    x = 510,838.90

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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.