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Finding the Fourth Proportional to 671,287.60, 926,384.45 and 365,365.92

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Solution

The fourth proportional to 671,287.60, 926,384.45 and 365,365.92 is: 504,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,287.60 : 926,384.45 = 365,365.92 : x
  2. Step 2: Convert to fraction form
    671,287.60/926,384.45 = 365,365.92/x
  3. Step 3: Cross multiply
    671,287.60x = 926,384.45 × 365,365.92
  4. Step 4: Simplify right side
    671,287.60x = 338,469,305,021.11
  5. Step 5: Solve for x
    x = 338,469,305,021.11/671,287.60
  6. Step 6: Final answer
    x = 504,209.08

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1.5x scale

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.