Home / 905,156.07-1,357,908.94-344,146.95

Finding the Fourth Proportional to 905,156.07, 1,357,908.94 and 344,146.95

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Solution

The fourth proportional to 905,156.07, 1,357,908.94 and 344,146.95 is: 516,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,156.07 : 1,357,908.94 = 344,146.95 : x
  2. Step 2: Convert to fraction form
    905,156.07/1,357,908.94 = 344,146.95/x
  3. Step 3: Cross multiply
    905,156.07x = 1,357,908.94 × 344,146.95
  4. Step 4: Simplify right side
    905,156.07x = 467,320,220,078.73
  5. Step 5: Solve for x
    x = 467,320,220,078.73/905,156.07
  6. Step 6: Final answer
    x = 516,286.90

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1.5x scale

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.