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Finding the Fourth Proportional to 440,385.42, 607,734.99 and 239,181.42

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Solution

The fourth proportional to 440,385.42, 607,734.99 and 239,181.42 is: 330,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,385.42 : 607,734.99 = 239,181.42 : x
  2. Step 2: Convert to fraction form
    440,385.42/607,734.99 = 239,181.42/x
  3. Step 3: Cross multiply
    440,385.42x = 607,734.99 × 239,181.42
  4. Step 4: Simplify right side
    440,385.42x = 145,358,917,891.89
  5. Step 5: Solve for x
    x = 145,358,917,891.89/440,385.42
  6. Step 6: Final answer
    x = 330,072.05

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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.