Home / 668,728.15-1,003,092.23-440,405.35

Finding the Fourth Proportional to 668,728.15, 1,003,092.23 and 440,405.35

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Solution

The fourth proportional to 668,728.15, 1,003,092.23 and 440,405.35 is: 660,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,728.15 : 1,003,092.23 = 440,405.35 : x
  2. Step 2: Convert to fraction form
    668,728.15/1,003,092.23 = 440,405.35/x
  3. Step 3: Cross multiply
    668,728.15x = 1,003,092.23 × 440,405.35
  4. Step 4: Simplify right side
    668,728.15x = 441,767,184,635.43
  5. Step 5: Solve for x
    x = 441,767,184,635.43/668,728.15
  6. Step 6: Final answer
    x = 660,608.03

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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.