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Finding the Fourth Proportional to 545,521.88, 752,766.26 and 303,826.94

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Solution

The fourth proportional to 545,521.88, 752,766.26 and 303,826.94 is: 419,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,521.88 : 752,766.26 = 303,826.94 : x
  2. Step 2: Convert to fraction form
    545,521.88/752,766.26 = 303,826.94/x
  3. Step 3: Cross multiply
    545,521.88x = 752,766.26 × 303,826.94
  4. Step 4: Simplify right side
    545,521.88x = 228,710,664,028.08
  5. Step 5: Solve for x
    x = 228,710,664,028.08/545,521.88
  6. Step 6: Final answer
    x = 419,251.13

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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.