Home / 686,474.19-946,284.39-481,951.35

Finding the Fourth Proportional to 686,474.19, 946,284.39 and 481,951.35

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Solution

The fourth proportional to 686,474.19, 946,284.39 and 481,951.35 is: 664,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,474.19 : 946,284.39 = 481,951.35 : x
  2. Step 2: Convert to fraction form
    686,474.19/946,284.39 = 481,951.35/x
  3. Step 3: Cross multiply
    686,474.19x = 946,284.39 × 481,951.35
  4. Step 4: Simplify right side
    686,474.19x = 456,063,039,244.43
  5. Step 5: Solve for x
    x = 456,063,039,244.43/686,474.19
  6. Step 6: Final answer
    x = 664,355.70

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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.