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Finding the Fourth Proportional to 540,063.70, 808,540.35 and 330,111.70

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Solution

The fourth proportional to 540,063.70, 808,540.35 and 330,111.70 is: 494,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,063.70 : 808,540.35 = 330,111.70 : x
  2. Step 2: Convert to fraction form
    540,063.70/808,540.35 = 330,111.70/x
  3. Step 3: Cross multiply
    540,063.70x = 808,540.35 × 330,111.70
  4. Step 4: Simplify right side
    540,063.70x = 266,908,629,457.10
  5. Step 5: Solve for x
    x = 266,908,629,457.10/540,063.70
  6. Step 6: Final answer
    x = 494,216.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.