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Finding the Fourth Proportional to 540,033.46, 745,231.71 and 298,310.83

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Solution

The fourth proportional to 540,033.46, 745,231.71 and 298,310.83 is: 411,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,033.46 : 745,231.71 = 298,310.83 : x
  2. Step 2: Convert to fraction form
    540,033.46/745,231.71 = 298,310.83/x
  3. Step 3: Cross multiply
    540,033.46x = 745,231.71 × 298,310.83
  4. Step 4: Simplify right side
    540,033.46x = 222,310,689,952.42
  5. Step 5: Solve for x
    x = 222,310,689,952.42/540,033.46
  6. Step 6: Final answer
    x = 411,660.96

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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.