Home / 906,277.73-1,359,416.52-431,523.77

Finding the Fourth Proportional to 906,277.73, 1,359,416.52 and 431,523.77

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Solution

The fourth proportional to 906,277.73, 1,359,416.52 and 431,523.77 is: 647,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,277.73 : 1,359,416.52 = 431,523.77 : x
  2. Step 2: Convert to fraction form
    906,277.73/1,359,416.52 = 431,523.77/x
  3. Step 3: Cross multiply
    906,277.73x = 1,359,416.52 × 431,523.77
  4. Step 4: Simplify right side
    906,277.73x = 586,620,534,913.60
  5. Step 5: Solve for x
    x = 586,620,534,913.60/906,277.73
  6. Step 6: Final answer
    x = 647,285.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.