Home / 668,003.40-1,002,005.10-444,054.60

Finding the Fourth Proportional to 668,003.40, 1,002,005.10 and 444,054.60

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Solution

The fourth proportional to 668,003.40, 1,002,005.10 and 444,054.60 is: 666,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,003.40 : 1,002,005.10 = 444,054.60 : x
  2. Step 2: Convert to fraction form
    668,003.40/1,002,005.10 = 444,054.60/x
  3. Step 3: Cross multiply
    668,003.40x = 1,002,005.10 × 444,054.60
  4. Step 4: Simplify right side
    668,003.40x = 444,944,973,878.46
  5. Step 5: Solve for x
    x = 444,944,973,878.46/668,003.40
  6. Step 6: Final answer
    x = 666,081.90

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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.