Home / 545,522.10-752,766.56-303,827.16

Finding the Fourth Proportional to 545,522.10, 752,766.56 and 303,827.16

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Solution

The fourth proportional to 545,522.10, 752,766.56 and 303,827.16 is: 419,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,522.10 : 752,766.56 = 303,827.16 : x
  2. Step 2: Convert to fraction form
    545,522.10/752,766.56 = 303,827.16/x
  3. Step 3: Cross multiply
    545,522.10x = 752,766.56 × 303,827.16
  4. Step 4: Simplify right side
    545,522.10x = 228,710,926,067.77
  5. Step 5: Solve for x
    x = 228,710,926,067.77/545,522.10
  6. Step 6: Final answer
    x = 419,251.44

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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.