Home / 668,106.66-1,002,379.90-444,347.40

Finding the Fourth Proportional to 668,106.66, 1,002,379.90 and 444,347.40

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Solution

The fourth proportional to 668,106.66, 1,002,379.90 and 444,347.40 is: 666,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,106.66 : 1,002,379.90 = 444,347.40 : x
  2. Step 2: Convert to fraction form
    668,106.66/1,002,379.90 = 444,347.40/x
  3. Step 3: Cross multiply
    668,106.66x = 1,002,379.90 × 444,347.40
  4. Step 4: Simplify right side
    668,106.66x = 445,404,902,377.26
  5. Step 5: Solve for x
    x = 445,404,902,377.26/668,106.66
  6. Step 6: Final answer
    x = 666,667.36

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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.