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Finding the Fourth Proportional to 440,730.68, 608,208 and 239,526.68

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Solution

The fourth proportional to 440,730.68, 608,208 and 239,526.68 is: 330,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,730.68 : 608,208 = 239,526.68 : x
  2. Step 2: Convert to fraction form
    440,730.68/608,208 = 239,526.68/x
  3. Step 3: Cross multiply
    440,730.68x = 608,208 × 239,526.68
  4. Step 4: Simplify right side
    440,730.68x = 145,682,042,989.44
  5. Step 5: Solve for x
    x = 145,682,042,989.44/440,730.68
  6. Step 6: Final answer
    x = 330,546.63

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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.