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Finding the Fourth Proportional to 540,601.10, 745,997.41 and 298,869.22

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Solution

The fourth proportional to 540,601.10, 745,997.41 and 298,869.22 is: 412,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,601.10 : 745,997.41 = 298,869.22 : x
  2. Step 2: Convert to fraction form
    540,601.10/745,997.41 = 298,869.22/x
  3. Step 3: Cross multiply
    540,601.10x = 745,997.41 × 298,869.22
  4. Step 4: Simplify right side
    540,601.10x = 222,955,664,048.72
  5. Step 5: Solve for x
    x = 222,955,664,048.72/540,601.10
  6. Step 6: Final answer
    x = 412,421.77

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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.