Home / 668,730.90-1,003,096.35-440,408.10

Finding the Fourth Proportional to 668,730.90, 1,003,096.35 and 440,408.10

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Solution

The fourth proportional to 668,730.90, 1,003,096.35 and 440,408.10 is: 660,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,730.90 : 1,003,096.35 = 440,408.10 : x
  2. Step 2: Convert to fraction form
    668,730.90/1,003,096.35 = 440,408.10/x
  3. Step 3: Cross multiply
    668,730.90x = 1,003,096.35 × 440,408.10
  4. Step 4: Simplify right side
    668,730.90x = 441,771,757,620.44
  5. Step 5: Solve for x
    x = 441,771,757,620.44/668,730.90
  6. Step 6: Final answer
    x = 660,612.15

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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.