Home / 540,633.28-746,043.80-298,901.74

Finding the Fourth Proportional to 540,633.28, 746,043.80 and 298,901.74

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Solution

The fourth proportional to 540,633.28, 746,043.80 and 298,901.74 is: 412,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,633.28 : 746,043.80 = 298,901.74 : x
  2. Step 2: Convert to fraction form
    540,633.28/746,043.80 = 298,901.74/x
  3. Step 3: Cross multiply
    540,633.28x = 746,043.80 × 298,901.74
  4. Step 4: Simplify right side
    540,633.28x = 222,993,789,936.21
  5. Step 5: Solve for x
    x = 222,993,789,936.21/540,633.28
  6. Step 6: Final answer
    x = 412,467.75

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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.